PHP Code:
2016-10-06 15:13:29.290496|ERROR   |              |   |loadFromDatabase() encounterd a conversion error on client_created
2016
-10-06 15:13:29.290562|ERROR   |              |   |loadFromDatabase() encounterd a conversion error on client_unread_messages
2016
-10-06 15:13:29.847550|ERROR   |              |   |loadFromDatabase() encounterd a conversion error on client_created
2016
-10-06 15:13:29.847614|ERROR   |              |   |loadFromDatabase() encounterd a conversion error on client_unread_messages
2016
-10-06 15:13:30.257019|ERROR   |              |   |loadFromDatabase() encounterd a conversion error on client_created
2016
-10-06 15:13:30.257077|ERROR   |              |   |loadFromDatabase() encounterd a conversion error on client_unread_messages
2016
-10-06 15:13:30.303832|ERROR   |              |   |loadFromDatabase() encounterd a conversion error on client_created
2016
-10-06 15:13:30.303872|ERROR   |              |   |loadFromDatabase() encounterd a conversion error on client_unread_messages
2016
-10-06 15:13:31.879706|ERROR   |              |   |loadFromDatabase() encounterd a conversion error on client_created
2016
-10-06 15:13:31.879771|ERROR   |              |   |loadFromDatabase() encounterd a conversion error on client_unread_messages 
Restarting the server and everything is fine though, not sure what caused this.
Also encountered is spelled wrong haha.