Improved error handling.

app/models/application_model/assets.rb

@@ -32,8 +32,9 @@ returns
     %w(created_by_id updated_by_id).each {|local_user_id|
       next if !self[ local_user_id ]
       next if data[ User.to_app_model ] && data[ User.to_app_model ][ self[ local_user_id ] ]
-      user = User.lookup( id: self[ local_user_id ] )
-      data = user.assets( data )
+      user = User.lookup(id: self[ local_user_id ])
+      next if !user
+      data = user.assets(data)
     }
     data
   end

app/models/channel/assets.rb

@@ -52,8 +52,9 @@ returns
       %w(created_by_id updated_by_id).each {|local_user_id|
         next if !self[ local_user_id ]
         next if data[ User.to_app_model ] && data[ User.to_app_model ][ self[ local_user_id ] ]
-        user = User.lookup( id: self[ local_user_id ] )
-        data = user.assets( data )
+        user = User.lookup(id: self[ local_user_id ])
+        next if !user
+        data = user.assets(data)
       }
       data
     end

app/models/history/assets.rb

@@ -24,8 +24,10 @@ returns
     def assets (data)
 
       if !data[ User.to_app_model ] || !data[ User.to_app_model ][ self['created_by_id'] ]
-        user = User.lookup( id: self['created_by_id'] )
-        data = user.assets( data )
+        user = User.lookup(id: self['created_by_id'])
+        if user
+          data = user.assets(data)
+        end
       end
 
       data

app/models/organization/assets.rb

@@ -46,10 +46,10 @@ returns
         local_attributes['member_ids'] = local_member_ids
         if local_member_ids
           local_member_ids.each {|local_user_id|
-            if !data[ User.to_app_model ][ local_user_id ]
-              user = User.lookup( id: local_user_id )
-              data = user.assets( data )
-            end
+            next if data[ User.to_app_model ][ local_user_id ]
+            user = User.lookup(id: local_user_id)
+            next if !user
+            data = user.assets(data)
           }
         end
 
@@ -58,8 +58,9 @@ returns
       %w(created_by_id updated_by_id).each {|local_user_id|
         next if !self[ local_user_id ]
         next if data[ User.to_app_model ][ self[ local_user_id ] ]
-        user = User.lookup( id: self[ local_user_id ] )
-        data = user.assets( data )
+        user = User.lookup(id: self[ local_user_id ])
+        next if !user
+        data = user.assets(data)
       }
       data
     end

app/models/ticket/article/assets.rb

@@ -44,8 +44,9 @@ returns
     %w(created_by_id updated_by_id).each {|local_user_id|
       next if !self[ local_user_id ]
       next if data[ User.to_app_model ] && data[ User.to_app_model ][ self[ local_user_id ] ]
-      user = User.lookup( id: self[ local_user_id ] )
-      data = user.assets( data )
+      user = User.lookup(id: self[ local_user_id ])
+      next if !user
+      data = user.assets(data)
     }
     data
   end

app/models/ticket/assets.rb

@@ -31,8 +31,9 @@ returns
     %w(created_by_id updated_by_id owner_id customer_id).each {|local_user_id|
       next if !self[ local_user_id ]
       next if data[ User.to_app_model ] && data[ User.to_app_model ][ self[ local_user_id ] ]
-      user = User.lookup( id: self[ local_user_id ] )
-      data = user.assets( data )
+      user = User.lookup(id: self[ local_user_id ])
+      next if !user
+      data = user.assets(data)
     }
     data
   end

app/models/user/assets.rb

@@ -111,8 +111,9 @@ returns
       %w(created_by_id updated_by_id).each {|local_user_id|
         next if !self[ local_user_id ]
         next if data[ User.to_app_model ][ self[ local_user_id ] ]
-        user = User.lookup( id: self[ local_user_id ] )
-        data = user.assets( data )
+        user = User.lookup(id: self[ local_user_id ])
+        next if !user
+        data = user.assets(data)
       }
       data
     end