"Debugging and troubleshooting", "List of MyChat Client errors", "Error #0292".
 
Error

Error #0292: impossible to remove users from the personal group. The user list has incorrect data
 

Error description

You can't delete users from a personal group because of one or more issues:

1.no such an ID of a personal group;

2.the list has a built-in bot (UIN=0), yourself, or non-existent users.

 
Problem solution

If you work with MyChat via API or directly using an open network protocol, change the transferred data.