- Log in as admin
- "Turn editing on" on any page
- Go to the messages page (https://mymoodleplateform.org/message/index.php)
- Add a block
- Try to configure the new block or any block (Administration, Navigation, etc.)
You will obtain the following error alert "Coding error detected, it must be fixed by a programmer: message_page_type_list() can not be used anymore. ".