diff --git a/pype/ftrack/actions/action_syncToAvalon.py b/pype/ftrack/actions/action_syncToAvalon.py
index 3808f5c8ff..f8c6275ada 100644
--- a/pype/ftrack/actions/action_syncToAvalon.py
+++ b/pype/ftrack/actions/action_syncToAvalon.py
@@ -5,6 +5,7 @@ import argparse
 import logging
 import os
 import ftrack_api
+import json
 from ftrack_action_handler import BaseAction
 
 from avalon import io, inventory, lib
@@ -160,7 +161,9 @@ class SyncToAvalon(BaseAction):
         job = session.create('Job', {
             'user': user,
             'status': 'running',
-            'data': {'description': 'Synch Ftrack to Avalon.'}
+            'data': json.dumps({
+                'description': 'Synch Ftrack to Avalon.'
+            })
         })
 
         try:
diff --git a/pype/ftrack/actions/action_thumbToChildern.py b/pype/ftrack/actions/action_thumbToChildern.py
index 54974c22d6..52d31ee4e5 100644
--- a/pype/ftrack/actions/action_thumbToChildern.py
+++ b/pype/ftrack/actions/action_thumbToChildern.py
@@ -24,7 +24,7 @@ class ThumbToChildren(BaseAction):
     def discover(self, session, entities, event):
         ''' Validation '''
 
-        if (len(entities) <= 0 or entities[0].entity_type in ['Project']):
+        if (len(entities) != 1 or entities[0].entity_type in ['Project']):
             return False
 
         return True
@@ -53,11 +53,12 @@ class ThumbToChildren(BaseAction):
 
             # inform the user that the job is done
             job['status'] = 'done'
-            session.commit()
         except:
             # fail the job if something goes wrong
             job['status'] = 'failed'
             raise
+        finally:
+            session.commit()
 
         return {
             'success': True,
diff --git a/pype/ftrack/actions/action_thumbToParent.py b/pype/ftrack/actions/action_thumbToParent.py
index 82954ae0e5..ca9cd09aee 100644
--- a/pype/ftrack/actions/action_thumbToParent.py
+++ b/pype/ftrack/actions/action_thumbToParent.py
@@ -45,30 +45,38 @@ class ThumbToParent(BaseAction):
 
         try:
             for entity in entities:
+                parent = None
+                thumbid = None
                 if entity.entity_type.lower() == 'assetversion':
                     try:
                         parent = entity['task']
                     except:
                         par_ent = entity['link'][-2]
                         parent = session.get(par_ent['type'], par_ent['id'])
-
-                elif entity.entity_type.lower() == 'task':
-                    parent = entity['parent']
-
+                else:
+                    try:
+                        parent = entity['parent']
+                    except:
+                        print("Durin Action 'Thumb to Parent' went something wrong")
                 thumbid = entity['thumbnail_id']
 
                 if parent and thumbid:
                     parent['thumbnail_id'] = thumbid
+                    status = 'done'
+                else:
+                    status = 'failed'
 
             # inform the user that the job is done
-            job['status'] = 'done'
-            session.commit()
+            job['status'] = status or 'done'
 
         except:
             # fail the job if something goes wrong
             job['status'] = 'failed'
             raise
 
+        finally:
+            session.commit()
+
         return {
             'success': True,
             'message': 'Created job for updating thumbnails!'