@ modules/defaultModule/controllers/errorController.php: a HOT FIX while trying to show errors and save them into database
@ zinux 5.4.3 is in effect
@ core/db/models/message.php: + ::deleteCollection()
@ modules/opsModule/views/view/messages/fetch_conversationView.phtml: delete messages is in effect
@ core/db/models/message.php: @ ::last() upgraded