MyChat Client error #0251: you don't have enough rights to delete messages in your private dialogues

Error

Error #0251: you don't have enough rights to delete messages in your private dialogues

 

Error description

You can't delete a private message in a dialogue with another user because you do not have rights to do so.

 

Problem Solution

Enable this rule that allows deleting any messages from own private dialogues in Admin Panel, the section "Rights control", "Permission groups", "Privates", "Deleting any messages in private dialogues" for your users group.