"Debugging and troubleshooting", "List of MyChat Client errors", "Error #0258".
 

Error

Error #0258: you can't move the group into itself (ID XXX)

 

Error description

An error occurred while executing the function for moving departments and users in the common contact list: one or more groups cannot be moved to themselves, incorrect indexes were specified.

 

Problem solution

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