diff --git a/plexpy/datafactory.py b/plexpy/datafactory.py
index ef918bd2..95618f98 100644
--- a/plexpy/datafactory.py
+++ b/plexpy/datafactory.py
@@ -210,8 +210,9 @@ class DataFactory(object):
             return {'recordsFiltered': 0,
                     'recordsTotal': 0,
                     'draw': 0,
-                    'data': 'null',
-                    'error': 'Unable to execute database query.'}
+                    'data': [],
+                    'filter_duration': '0',
+                    'total_duration': '0'}
 
         history = query['result']
 
@@ -1719,8 +1720,7 @@ class DataFactory(object):
             return {'recordsFiltered': 0,
                     'recordsTotal': 0,
                     'draw': 0,
-                    'data': 'null',
-                    'error': 'Unable to execute database query.'}
+                    'data': []}
 
         notifications = query['result']
 
@@ -1798,8 +1798,7 @@ class DataFactory(object):
             return {'recordsFiltered': 0,
                     'recordsTotal': 0,
                     'draw': 0,
-                    'data': 'null',
-                    'error': 'Unable to execute database query.'}
+                    'data': []}
 
         newsletters = query['result']
 
diff --git a/plexpy/exporter.py b/plexpy/exporter.py
index d5166ed9..3629040c 100644
--- a/plexpy/exporter.py
+++ b/plexpy/exporter.py
@@ -2191,8 +2191,7 @@ def get_export_datatable(section_id=None, user_id=None, rating_key=None, kwargs=
     default_return = {'recordsFiltered': 0,
                       'recordsTotal': 0,
                       'draw': 0,
-                      'data': 'null',
-                      'error': 'Unable to execute database query.'}
+                      'data': []}
 
     data_tables = datatables.DataTables()
 
diff --git a/plexpy/libraries.py b/plexpy/libraries.py
index cb5ff1d8..f1694860 100644
--- a/plexpy/libraries.py
+++ b/plexpy/libraries.py
@@ -197,8 +197,7 @@ def get_collections_list(section_id=None, **kwargs):
         default_return = {'recordsFiltered': 0,
                           'recordsTotal': 0,
                           'draw': 0,
-                          'data': 'null',
-                          'error': 'Unable to get collections: missing section_id.'}
+                          'data': []}
         return default_return
 
     collections = get_collections(section_id=section_id)
@@ -282,8 +281,7 @@ def get_playlists_list(section_id=None, user_id=None, **kwargs):
         default_return = {'recordsFiltered': 0,
                           'recordsTotal': 0,
                           'draw': 0,
-                          'data': 'null',
-                          'error': 'Unable to get playlists: missing section_id.'}
+                          'data': []}
         return default_return
 
     playlists = get_playlists(section_id=section_id, user_id=user_id)
@@ -313,8 +311,7 @@ class Libraries(object):
         default_return = {'recordsFiltered': 0,
                           'recordsTotal': 0,
                           'draw': 0,
-                          'data': 'null',
-                          'error': 'Unable to execute database query.'}
+                          'data': []}
 
         data_tables = datatables.DataTables()
 
@@ -456,8 +453,9 @@ class Libraries(object):
         default_return = {'recordsFiltered': 0,
                           'recordsTotal': 0,
                           'draw': 0,
-                          'data': 'null',
-                          'error': 'Unable to execute database query.'}
+                          'data': [],
+                          'filtered_file_size': 0,
+                          'total_file_size': 0}
 
         if not session.allow_session_library(section_id):
             return default_return
diff --git a/plexpy/users.py b/plexpy/users.py
index cb8cb6f4..ffb06713 100644
--- a/plexpy/users.py
+++ b/plexpy/users.py
@@ -103,8 +103,7 @@ class Users(object):
         default_return = {'recordsFiltered': 0,
                           'recordsTotal': 0,
                           'draw': 0,
-                          'data': 'null',
-                          'error': 'Unable to execute database query.'}
+                          'data': []}
 
         data_tables = datatables.DataTables()
 
@@ -241,8 +240,7 @@ class Users(object):
         default_return = {'recordsFiltered': 0,
                           'recordsTotal': 0,
                           'draw': 0,
-                          'data': 'null',
-                          'error': 'Unable to execute database query.'}
+                          'data': []}
 
         if not session.allow_session_user(user_id):
             return default_return
@@ -871,8 +869,7 @@ class Users(object):
         default_return = {'recordsFiltered': 0,
                           'recordsTotal': 0,
                           'draw': 0,
-                          'data': 'null',
-                          'error': 'Unable to execute database query.'}
+                          'data': []}
 
         if not session.allow_session_user(user_id):
             return default_return