diff --git a/bin/v-add-backup-ftp-host b/bin/v-add-backup-ftp-host
index eb3ed29e..88f5ebcc 100755
--- a/bin/v-add-backup-ftp-host
+++ b/bin/v-add-backup-ftp-host
@@ -50,8 +50,8 @@ validate_format 'host' 'ftp_user' 'ftp_password'
 # Checking network connection
 if [ ! -z "$(ftpc)" ]; then
     echo "Error: can't login to ftp"
-    log_event "$E_FTP" "$EVENT"
-    exit $E_FTP
+    log_event "$E_CONNECT" "$EVENT"
+    exit $E_CONNECT
 fi
 
 # Checking write permissions
diff --git a/bin/v-backup-user b/bin/v-backup-user
index de011a95..afd1a32b 100755
--- a/bin/v-backup-user
+++ b/bin/v-backup-user
@@ -529,7 +529,7 @@ ftp_backup() {
     if [ ! -e "$VESTA/conf/ftp.backup.conf" ]; then
         ftp_conf_error="Can't open  $VESTA/conf/ftp.backup.conf"
         echo "$ftp_conf_error" | $send_mail -s "$subj" $email
-        echo "Error: $VESTA/conf/ftp.backup.conf does not exist"
+        echo "Error: $VESTA/conf/ftp.backup.conf doesn't exist"
         sed -i "/ $user /d" $VESTA/data/queue/backup.pipe
         log_event "$E_NOTEXIST" "$EVENT"
         exit $E_NOTEXIST
@@ -565,8 +565,8 @@ ftp_backup() {
             $send_mail -s "$subj" $email
         echo "Error: can't login to ftp ftp://$USERNAME@$HOST"
         sed -i "/ $user /d" $VESTA/data/queue/backup.pipe
-        log_event "$E_FTP" "$EVENT"
-        exit $E_FTP
+        log_event "$E_CONNECT" "$EVENT"
+        exit $E_CONNECT
     fi
 
     # Check ftp permissions
diff --git a/bin/v-change-sys-language b/bin/v-change-sys-language
index 5512a6a2..f0be8ce8 100755
--- a/bin/v-change-sys-language
+++ b/bin/v-change-sys-language
@@ -19,7 +19,7 @@ source $VESTA/func/main.sh
 
 is_language_valid() {
     if [ ! -e "$VESTA/web/inc/i18n/$language.php" ]; then
-        echo "Error: language $language not exist"
+        echo "Error: language file $language doesn't exist"
         log_event "$E_NOTEXIST $EVENT"
         exit $E_NOTEXIST
     fi
diff --git a/bin/v-delete-mail-account-alias b/bin/v-delete-mail-account-alias
index e6904654..0fdce45e 100755
--- a/bin/v-delete-mail-account-alias
+++ b/bin/v-delete-mail-account-alias
@@ -38,7 +38,7 @@ is_object_valid "mail/$domain" 'ACCOUNT' "$account"
 is_object_unsuspended "mail/$domain" 'ACCOUNT' "$account"
 aliases=$(get_object_value "mail/$domain" 'ACCOUNT' "$account" '$ALIAS')
 if [ -z "$(echo $aliases | grep -w $malias)" ]; then
-    echo "Error: alias $malias is not exist"
+    echo "Error: alias $malias doesn't exist"
     log_event "$E_NOTEXIST $EVENT"
     exit $E_NOTEXIST
 fi
diff --git a/bin/v-delete-mail-account-forward b/bin/v-delete-mail-account-forward
index 007adb13..912fe73f 100755
--- a/bin/v-delete-mail-account-forward
+++ b/bin/v-delete-mail-account-forward
@@ -38,7 +38,7 @@ is_object_valid "mail/$domain" 'ACCOUNT' "$account"
 is_object_unsuspended "mail/$domain" 'ACCOUNT' "$account"
 fwd=$(get_object_value "mail/$domain" 'ACCOUNT' "$account" '$FWD')
 if [ -z "$(echo $fwd | grep -w $forward)" ]; then
-    echo "Error: forward $forward is not exist"
+    echo "Error: forward $forward doesn't exist"
     log_event "$E_NOTEXIST $EVENT"
     exit $E_NOTEXIST
 fi
diff --git a/bin/v-delete-web-domain-alias b/bin/v-delete-web-domain-alias
index c67c5aec..5d60c0f7 100755
--- a/bin/v-delete-web-domain-alias
+++ b/bin/v-delete-web-domain-alias
@@ -39,7 +39,7 @@ is_object_unsuspended 'web' 'DOMAIN' "$domain"
 get_domain_values 'web'
 ip=$(get_real_ip $IP)
 if [ -z "$(echo $ALIAS | tr ',' '\n' | grep ^$dom_alias$)" ]; then
-    echo "Error: alias $dom_alias not exist"
+    echo "Error: alias $dom_alias doesn't exist"
     log_event "$E_NOTEXIST" "$EVENT"
     exit $E_NOTEXIST
 fi
diff --git a/bin/v-restore-user b/bin/v-restore-user
index 11450415..f05f362a 100755
--- a/bin/v-restore-user
+++ b/bin/v-restore-user
@@ -36,7 +36,7 @@ source $VESTA/func/rebuild.sh
 # Check backup function
 is_backup_valid() {
     if [ ! -e "$BACKUP/$backup" ]; then
-        echo "Error: backup not exist"
+        echo "Error: backup doesn't exist"
         log_event "$E_NOTEXIST" "$EVENT"
         exit $E_NOTEXIST
     fi
diff --git a/func/db.sh b/func/db.sh
index e515d498..17026e3f 100644
--- a/func/db.sh
+++ b/func/db.sh
@@ -98,8 +98,8 @@ add_mysql_database() {
     mysql -h $HOST -u $USER -p$PASSWORD -e "$query" > /dev/null 2>&1
     if [ '0' -ne "$?" ]; then
         echo "Error: Connection failed"
-        log_event  "$E_DB $EVENT"
-        exit $E_DB
+        log_event  "$E_CONNECT $EVENT"
+        exit $E_CONNECT
     fi
 
 
@@ -134,8 +134,8 @@ add_pgsql_database() {
     psql -h $HOST -U $USER -c "$query" > /dev/null 2>&1
     if [ '0' -ne "$?" ];  then
         echo "Error: Connection failed"
-        log_event "$E_DB" "$EVENT"
-        exit $E_DB
+        log_event "$E_CONNECT" "$EVENT"
+        exit $E_CONNECT
     fi
 
     query="CREATE ROLE $dbuser WITH LOGIN PASSWORD '$dbpass'"
@@ -177,8 +177,8 @@ is_mysql_host_alive() {
     mysql -h $host -u $dbuser -p$dbpass -e "$query" > /dev/null 2>&1
     if [ '0' -ne "$?" ]; then
         echo "Error: Connection to $host failed"
-        log_event "$E_DB" "$EVENT"
-        exit $E_DB
+        log_event "$E_CONNECT" "$EVENT"
+        exit $E_CONNECT
     fi
 }
 
@@ -188,8 +188,8 @@ is_pgsql_host_alive() {
     psql -h $host -U $dbuser -c "SELECT VERSION()" > /dev/null 2>&1
     if [ '0' -ne "$?" ];  then
         echo "Error: Connection to $host failed"
-        log_event "$E_DB" "$EVENT"
-        exit $E_DB
+        log_event "$E_CONNECT" "$EVENT"
+        exit $E_CONNECT
     fi
 }
 
@@ -213,8 +213,8 @@ change_mysql_password() {
     mysql -h $HOST -u $USER -p$PASSWORD -e "$query" > /dev/null 2>&1
     if [ '0' -ne "$?" ]; then
         echo "Error: Connection failed"
-        log_event "$E_DB $EVENT"
-        exit $E_DB
+        log_event "$E_CONNECT $EVENT"
+        exit $E_CONNECT
     fi
 
     query="GRANT ALL ON \`$database\`.* TO \`$DBUSER\`@\`%\`
@@ -245,8 +245,8 @@ change_pgsql_password() {
     psql -h $HOST -U $USER -c "$query" > /dev/null 2>&1
     if [ '0' -ne "$?" ];  then
         echo "Error: Connection failed"
-        log_event "$E_DB" "$EVENT"
-        exit $E_DB
+        log_event "$E_CONNECT" "$EVENT"
+        exit $E_CONNECT
     fi
 
     query="ALTER ROLE $DBUSER WITH LOGIN PASSWORD '$dbpass'"
@@ -270,8 +270,8 @@ delete_mysql_database() {
     mysql -h $HOST -u $USER -p$PASSWORD -e "$query" > /dev/null 2>&1
     if [ '0' -ne "$?" ]; then
         echo "Error: Connection failed"
-        log_event  "$E_DB $EVENT"
-        exit $E_DB
+        log_event  "$E_CONNECT $EVENT"
+        exit $E_CONNECT
     fi
 
     query="DROP DATABASE \`$database\`"
@@ -307,8 +307,8 @@ delete_pgsql_database() {
     psql -h $HOST -U $USER -c "$query" > /dev/null 2>&1
     if [ '0' -ne "$?" ];  then
         echo "Error: Connection failed"
-        log_event "$E_DB" "$EVENT"
-        exit $E_DB
+        log_event "$E_CONNECT" "$EVENT"
+        exit $E_CONNECT
     fi
 
     query="REVOKE ALL PRIVILEGES ON DATABASE $database FROM $DBUSER"
@@ -344,8 +344,8 @@ dump_mysql_database() {
         echo "Can't connect to mysql server $HOST" |\
             $send_mail -s "$subj" $email
         echo "Error: Connection failed"
-        log_event  "$E_DB $EVENT"
-        exit $E_DB
+        log_event  "$E_CONNECT $EVENT"
+        exit $E_CONNECT
     fi
 
     mysqldump -h $HOST -u $USER -p$PASSWORD -r $dump $database
@@ -388,8 +388,8 @@ dump_pgsql_database() {
         echo "Can't connect to pgsql server $HOST" |\
             $send_mail -s "$subj" $email
         echo "Error: Connection failed"
-        log_event "$E_DB" "$EVENT"
-        exit $E_DB
+        log_event "$E_CONNECT" "$EVENT"
+        exit $E_CONNECT
     fi
 
     pg_dump -h $HOST -U $USER -c --inserts -O -x -i -f $dump $database \
@@ -436,8 +436,8 @@ suspend_mysql_database() {
     mysql -h $HOST -u $USER -p$PASSWORD -e "$query" > /dev/null 2>&1
     if [ '0' -ne "$?" ]; then
         echo "Error: Connection failed"
-        log_event  "$E_DB $EVENT"
-        exit $E_DB
+        log_event  "$E_CONNECT $EVENT"
+        exit $E_CONNECT
     fi
 
     query="REVOKE ALL ON \`$database\`.* FROM \`$DBUSER\`@\`%\`"
@@ -462,8 +462,8 @@ suspend_pgsql_database() {
     psql -h $HOST -U $USER -c "$query" > /dev/null 2>&1
     if [ '0' -ne "$?" ];  then
         echo "Error: Connection failed"
-        log_event "$E_DB" "$EVENT"
-        exit $E_DB
+        log_event "$E_CONNECT" "$EVENT"
+        exit $E_CONNECT
     fi
 
     query="REVOKE ALL PRIVILEGES ON $database FROM $DBUSER"
@@ -484,8 +484,8 @@ unsuspend_mysql_database() {
     mysql -h $HOST -u $USER -p$PASSWORD -e "$query" > /dev/null 2>&1
     if [ '0' -ne "$?" ]; then
         echo "Error: Connection failed"
-        log_event  "$E_DB $EVENT"
-        exit $E_DB
+        log_event  "$E_CONNECT $EVENT"
+        exit $E_CONNECT
     fi
 
     query="GRANT ALL ON \`$database\`.* FROM \`$DBUSER\`@\`%\`"
@@ -510,8 +510,8 @@ unsuspend_pgsql_database() {
     psql -h $HOST -U $USER -c "$query" > /dev/null 2>&1
     if [ '0' -ne "$?" ];  then
         echo "Error: Connection failed"
-        log_event "$E_DB" "$EVENT"
-        exit $E_DB
+        log_event "$E_CONNECT" "$EVENT"
+        exit $E_CONNECT
     fi
 
     query="GRANT ALL PRIVILEGES ON DATABASE $database TO $DBUSER"
@@ -532,8 +532,8 @@ get_mysql_disk_usage() {
     mysql -h $HOST -u $USER -p$PASSWORD -e "$query" > /dev/null 2>&1
     if [ '0' -ne "$?" ]; then
         echo "Error: Connection failed"
-        log_event  "$E_DB $EVENT"
-        exit $E_DB
+        log_event  "$E_CONNECT $EVENT"
+        exit $E_CONNECT
     fi
 
     query="SELECT SUM( data_length + index_length ) / 1024 / 1024 \"Size\"
@@ -561,8 +561,8 @@ get_pgsql_disk_usage() {
     psql -h $HOST -U $USER -c "$query" > /dev/null 2>&1
     if [ '0' -ne "$?" ];  then
         echo "Error: Connection failed"
-        log_event "$E_DB" "$EVENT"
-        exit $E_DB
+        log_event "$E_CONNECT" "$EVENT"
+        exit $E_CONNECT
     fi
 
     query="SELECT pg_database_size('$database');"
diff --git a/func/main.sh b/func/main.sh
index fcaa553d..7940241a 100644
--- a/func/main.sh
+++ b/func/main.sh
@@ -43,8 +43,8 @@ E_DISABLED=11
 E_PARSING=12
 E_DISK=13
 E_LA=14
-E_FTP=15
-E_SSH=16
+E_CONNECT=15
+E_FTP=16
 E_DB=17
 E_RRD=18
 E_UPDATE=19
@@ -133,7 +133,7 @@ is_package_valid() {
         pkg_dir="$VESTA/data/packages"
     fi
     if [ ! -e "$pkg_dir/$package.pkg" ]; then
-        echo "Error: package $package not exist"
+        echo "Error: package $package doesn't exist"
         log_event "$E_NOTEXIST $EVENT"
         exit $E_NOTEXIST
     fi
@@ -209,7 +209,7 @@ is_object_valid() {
         fi
     fi
     if [ -z "$sobject" ]; then
-        echo "Error: $2 $3 not exist"
+        echo "Error: $2 $3 doesn't exist"
         log_event "$E_NOTEXIST" "$EVENT"
         exit $E_NOTEXIST
     fi
@@ -261,7 +261,7 @@ is_object_value_exist() {
     eval $str
     eval value=$4
     if [ -z "$value" ] || [ "$value" = 'no' ]; then
-        echo "Error: ${4//$}=$value (not exist)"
+        echo "Error: ${4//$}=$value (doesn't exist)"
         log_event "$E_NOTEXIST" "$EVENT"
         exit $E_NOTEXIST
     fi
diff --git a/func/rebuild.sh b/func/rebuild.sh
index f69e109e..c08cfafc 100644
--- a/func/rebuild.sh
+++ b/func/rebuild.sh
@@ -525,8 +525,8 @@ rebuild_mysql_database() {
             echo "Database connection to MySQL host $HOST failed" |\
                 $send_mail -s "$subj" $email
         fi
-        log_event  "$E_DB $EVENT"
-        exit $E_DB
+        log_event  "$E_CONNECT $EVENT"
+        exit $E_CONNECT
     fi
 
     query="CREATE DATABASE \`$DB\` CHARACTER SET $CHARSET"
@@ -568,8 +568,8 @@ rebuild_pgsql_database() {
             echo "Database connection to PostgreSQL host $HOST failed" |\
                 $send_mail -s "$subj" $email
         fi
-        log_event "$E_DB" "$EVENT"
-        exit $E_DB
+        log_event "$E_CONNECT" "$EVENT"
+        exit $E_CONNECT
     fi
 
     query="CREATE ROLE $DBUSER"