Error

Error #0361: a message with such identifier (XXX) does not exist
 

Error description

A client application is attempting to work with a message that does not exist on the server. No message ID.


Problem solution

If you work with MyChat Server directly by using an official open protocol, make sure that you specified correct data in a command or function you use.


If not, your server database is probably corrupted. It is better to restore it from a backup.