diff --git a/library/language/af/main.php b/library/language/af/main.php
index bf073d227..c752a06ca 100644
--- a/library/language/af/main.php
+++ b/library/language/af/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Gebruikersgroepe';
 $lang['GROUP_CONFIGURATION'] = 'Groepkonfigurasie';
diff --git a/library/language/ar/main.php b/library/language/ar/main.php
index ac0ebabd2..385535b38 100644
--- a/library/language/ar/main.php
+++ b/library/language/ar/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'مجموعات المستخدمين';
 $lang['GROUP_CONFIGURATION'] = 'فريق التكوين';
diff --git a/library/language/az/main.php b/library/language/az/main.php
index e5a994c8c..0bf879d43 100644
--- a/library/language/az/main.php
+++ b/library/language/az/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'İstifadəçi Qrupları';
 $lang['GROUP_CONFIGURATION'] = 'Konfiqurasiya Qrupu';
diff --git a/library/language/be/main.php b/library/language/be/main.php
index c69f28e8a..c69b0a74c 100644
--- a/library/language/be/main.php
+++ b/library/language/be/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Групы Карыстальнікаў';
 $lang['GROUP_CONFIGURATION'] = 'Канфігурацыя Групы';
diff --git a/library/language/bg/main.php b/library/language/bg/main.php
index 256165b22..45ae0287f 100644
--- a/library/language/bg/main.php
+++ b/library/language/bg/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Групи Потребители';
 $lang['GROUP_CONFIGURATION'] = 'Конфигурация Група';
diff --git a/library/language/bs/main.php b/library/language/bs/main.php
index be732e753..90515540f 100644
--- a/library/language/bs/main.php
+++ b/library/language/bs/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Grupa Korisnika';
 $lang['GROUP_CONFIGURATION'] = 'Grupa Podešavanja';
diff --git a/library/language/ca/main.php b/library/language/ca/main.php
index f9cea9d8e..db46f241e 100644
--- a/library/language/ca/main.php
+++ b/library/language/ca/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Grups D\'Usuaris';
 $lang['GROUP_CONFIGURATION'] = 'Grup De Configuració';
diff --git a/library/language/cs/main.php b/library/language/cs/main.php
index 17ae93c7c..8dcab4a96 100644
--- a/library/language/cs/main.php
+++ b/library/language/cs/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Skupiny Uživatelů';
 $lang['GROUP_CONFIGURATION'] = 'Skupina Konfigurace';
diff --git a/library/language/da/main.php b/library/language/da/main.php
index 0fb5e5e9b..905d8e964 100644
--- a/library/language/da/main.php
+++ b/library/language/da/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Bruger-Grupper';
 $lang['GROUP_CONFIGURATION'] = 'Gruppen Konfiguration';
diff --git a/library/language/de/main.php b/library/language/de/main.php
index 413300050..c9c7ba188 100644
--- a/library/language/de/main.php
+++ b/library/language/de/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Benutzergruppen';
 $lang['GROUP_CONFIGURATION'] = 'Gruppen-Konfiguration';
diff --git a/library/language/el/main.php b/library/language/el/main.php
index 0c603c12d..7807fb36b 100644
--- a/library/language/el/main.php
+++ b/library/language/el/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Ομάδες Χρηστών';
 $lang['GROUP_CONFIGURATION'] = 'Ομάδα Παραμέτρων';
diff --git a/library/language/en/main.php b/library/language/en/main.php
index 4226e4cff..a690daaac 100644
--- a/library/language/en/main.php
+++ b/library/language/en/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'User Groups';
 $lang['GROUP_CONFIGURATION'] = 'Group Configuration';
diff --git a/library/language/es/main.php b/library/language/es/main.php
index aad1299cf..5bf08721c 100644
--- a/library/language/es/main.php
+++ b/library/language/es/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Los Grupos De Usuarios';
 $lang['GROUP_CONFIGURATION'] = 'Configuración De Un Grupo De';
diff --git a/library/language/et/main.php b/library/language/et/main.php
index 5e7bf0d36..6c19e6019 100644
--- a/library/language/et/main.php
+++ b/library/language/et/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Grupid';
 $lang['GROUP_CONFIGURATION'] = 'Rühma Konfiguratsioon';
diff --git a/library/language/fi/main.php b/library/language/fi/main.php
index 7fb45773b..eef7fe267 100644
--- a/library/language/fi/main.php
+++ b/library/language/fi/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Käyttäjän Ryhmät';
 $lang['GROUP_CONFIGURATION'] = 'Ryhmän Kokoonpano';
diff --git a/library/language/fr/main.php b/library/language/fr/main.php
index 67cfcc580..2eef90dd4 100644
--- a/library/language/fr/main.php
+++ b/library/language/fr/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Les Groupes D\'Utilisateurs';
 $lang['GROUP_CONFIGURATION'] = 'Configuration D\'Un Groupe De';
diff --git a/library/language/he/main.php b/library/language/he/main.php
index 0a3d81f78..f42048057 100644
--- a/library/language/he/main.php
+++ b/library/language/he/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'קבוצות משתמשים';
 $lang['GROUP_CONFIGURATION'] = 'התצורה של קבוצת';
diff --git a/library/language/hi/main.php b/library/language/hi/main.php
index dca48a930..c2a29835b 100644
--- a/library/language/hi/main.php
+++ b/library/language/hi/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'यूसर समूह';
 $lang['GROUP_CONFIGURATION'] = 'समूह विन्यास';
diff --git a/library/language/hr/main.php b/library/language/hr/main.php
index 2e3fc1483..063cd2d8b 100644
--- a/library/language/hr/main.php
+++ b/library/language/hr/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Grupe Korisnika';
 $lang['GROUP_CONFIGURATION'] = 'Konfiguracija Grupe';
diff --git a/library/language/hu/main.php b/library/language/hu/main.php
index d643b8191..402164c49 100644
--- a/library/language/hu/main.php
+++ b/library/language/hu/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Felhasználói Csoportok';
 $lang['GROUP_CONFIGURATION'] = 'Csoport Konfiguráció';
diff --git a/library/language/hy/main.php b/library/language/hy/main.php
index 0253f5690..d8aab2453 100644
--- a/library/language/hy/main.php
+++ b/library/language/hy/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Խմբի Օգտագործողների Համար';
 $lang['GROUP_CONFIGURATION'] = 'Կոնֆիգուրացիա Խմբի';
diff --git a/library/language/id/main.php b/library/language/id/main.php
index 714eefcf4..f56c5e159 100644
--- a/library/language/id/main.php
+++ b/library/language/id/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Kelompok Pengguna';
 $lang['GROUP_CONFIGURATION'] = 'Kelompok Konfigurasi';
diff --git a/library/language/it/main.php b/library/language/it/main.php
index 796fb2184..b73c16f42 100644
--- a/library/language/it/main.php
+++ b/library/language/it/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Gruppi Di Utenti';
 $lang['GROUP_CONFIGURATION'] = 'Configurazione Di Un Gruppo Di';
diff --git a/library/language/ja/main.php b/library/language/ja/main.php
index 51253c78e..3ad43e919 100644
--- a/library/language/ja/main.php
+++ b/library/language/ja/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'ユーザーグループ';
 $lang['GROUP_CONFIGURATION'] = 'グループ設定';
diff --git a/library/language/ka/main.php b/library/language/ka/main.php
index b39182229..ee3f7e296 100644
--- a/library/language/ka/main.php
+++ b/library/language/ka/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'მომხმარებელთა ჯგუფები';
 $lang['GROUP_CONFIGURATION'] = 'ჯგუფი კონფიგურაცია';
diff --git a/library/language/kk/main.php b/library/language/kk/main.php
index 725c85a0e..57d044e8f 100644
--- a/library/language/kk/main.php
+++ b/library/language/kk/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'пайдаланушы топтары';
 $lang['GROUP_CONFIGURATION'] = 'Group Конфигурация';
diff --git a/library/language/ko/main.php b/library/language/ko/main.php
index f762e3d8e..d5262f7ff 100644
--- a/library/language/ko/main.php
+++ b/library/language/ko/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = '사용자 그룹';
 $lang['GROUP_CONFIGURATION'] = '그룹 구성';
diff --git a/library/language/lt/main.php b/library/language/lt/main.php
index ab0f8a017..e1334da54 100644
--- a/library/language/lt/main.php
+++ b/library/language/lt/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Vartotojų Grupės';
 $lang['GROUP_CONFIGURATION'] = 'Grupė Konfigūracija';
diff --git a/library/language/lv/main.php b/library/language/lv/main.php
index 0d9e6f372..58282f039 100644
--- a/library/language/lv/main.php
+++ b/library/language/lv/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Lietotāju Grupas';
 $lang['GROUP_CONFIGURATION'] = 'Grupa Konfigurācija';
diff --git a/library/language/nl/main.php b/library/language/nl/main.php
index d41dd082f..95fcc0eb2 100644
--- a/library/language/nl/main.php
+++ b/library/language/nl/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Gebruikersgroepen';
 $lang['GROUP_CONFIGURATION'] = 'Groep Configuratie';
diff --git a/library/language/no/main.php b/library/language/no/main.php
index d0885d81b..c025031ab 100644
--- a/library/language/no/main.php
+++ b/library/language/no/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Brukergrupper';
 $lang['GROUP_CONFIGURATION'] = 'Gruppe Konfigurasjon';
diff --git a/library/language/pl/main.php b/library/language/pl/main.php
index fdf97261f..bf856f460 100644
--- a/library/language/pl/main.php
+++ b/library/language/pl/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Grupy Użytkowników';
 $lang['GROUP_CONFIGURATION'] = 'Konfiguracja Grupy';
diff --git a/library/language/pt/main.php b/library/language/pt/main.php
index de01a0ab2..eb7d063db 100644
--- a/library/language/pt/main.php
+++ b/library/language/pt/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Grupos De Usuário';
 $lang['GROUP_CONFIGURATION'] = 'Configuração De Grupo De';
diff --git a/library/language/ru/main.php b/library/language/ru/main.php
index 62d23f1cb..a7d6bb7ae 100644
--- a/library/language/ru/main.php
+++ b/library/language/ru/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Группы';
 $lang['GROUP_CONFIGURATION'] = 'Настройка группы';
diff --git a/library/language/sk/main.php b/library/language/sk/main.php
index 88c0962f9..208b5f14e 100644
--- a/library/language/sk/main.php
+++ b/library/language/sk/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Skupiny Užívateľov';
 $lang['GROUP_CONFIGURATION'] = 'Skupina Konfigurácia';
diff --git a/library/language/sl/main.php b/library/language/sl/main.php
index 1b60824c2..d5e46b1e2 100644
--- a/library/language/sl/main.php
+++ b/library/language/sl/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Skupine Uporabnikov';
 $lang['GROUP_CONFIGURATION'] = 'Skupina Konfiguracija';
diff --git a/library/language/sq/main.php b/library/language/sq/main.php
index 56782da65..c49523ac1 100644
--- a/library/language/sq/main.php
+++ b/library/language/sq/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Grupet E Shfrytëzuesve Të';
 $lang['GROUP_CONFIGURATION'] = 'Grupi I Konfigurimit';
diff --git a/library/language/sr/main.php b/library/language/sr/main.php
index a88c5c256..c177b3fe6 100644
--- a/library/language/sr/main.php
+++ b/library/language/sr/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Групе Корисника';
 $lang['GROUP_CONFIGURATION'] = 'Конфигурација Групе';
diff --git a/library/language/sv/main.php b/library/language/sv/main.php
index 11914ccaa..14b1ff78e 100644
--- a/library/language/sv/main.php
+++ b/library/language/sv/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Användargrupper';
 $lang['GROUP_CONFIGURATION'] = 'Grupp Konfiguration';
diff --git a/library/language/tg/main.php b/library/language/tg/main.php
index c00993c2b..402d55a2b 100644
--- a/library/language/tg/main.php
+++ b/library/language/tg/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Гурӯҳҳои корбар';
 $lang['GROUP_CONFIGURATION'] = 'Батанзимдарорӣ Group';
diff --git a/library/language/th/main.php b/library/language/th/main.php
index fe0bb156f..d1e0a0dc9 100644
--- a/library/language/th/main.php
+++ b/library/language/th/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'กลุ่มผู้ใช้';
 $lang['GROUP_CONFIGURATION'] = 'กลุ่มการปรับแต่ง';
diff --git a/library/language/tr/main.php b/library/language/tr/main.php
index 5bcb14917..0a6d5895c 100644
--- a/library/language/tr/main.php
+++ b/library/language/tr/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Kullanıcı Grupları';
 $lang['GROUP_CONFIGURATION'] = 'Grup Yapılandırma';
diff --git a/library/language/uk/main.php b/library/language/uk/main.php
index 8216ba591..0ec3c9809 100644
--- a/library/language/uk/main.php
+++ b/library/language/uk/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Групи користувачів';
 $lang['GROUP_CONFIGURATION'] = 'Налаштування групи';
diff --git a/library/language/uz/main.php b/library/language/uz/main.php
index 564544a74..ac3e48fc8 100644
--- a/library/language/uz/main.php
+++ b/library/language/uz/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Foydalanuvchi Guruhlar';
 $lang['GROUP_CONFIGURATION'] = 'Group Configuration';
diff --git a/library/language/vi/main.php b/library/language/vi/main.php
index 909e99583..780242804 100644
--- a/library/language/vi/main.php
+++ b/library/language/vi/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = 'Nhóm Người Dùng';
 $lang['GROUP_CONFIGURATION'] = 'Nhóm Cấu Hình';
diff --git a/library/language/zh/main.php b/library/language/zh/main.php
index 6f9b0cbde..ad0052233 100644
--- a/library/language/zh/main.php
+++ b/library/language/zh/main.php
@@ -688,6 +688,11 @@ $lang['LIKE_OWN_POST'] = 'You can\'t vote for your own topic';
 $lang['NO_LIKES'] = 'Nobody gave a vote yet';
 $lang['LIKE_ALREADY'] = 'You already voted this topic';
 
+// Invites
+$lang['INVITE_CODE'] = 'Invite code';
+$lang['INCORRECT_INVITE'] = 'Invite not found';
+$lang['INVITE_EXPIRED'] = 'Invite expired';
+
 // Group control panel
 $lang['GROUP_CONTROL_PANEL'] = '用户群体';
 $lang['GROUP_CONFIGURATION'] = '集团结构';