"Debugging and troubleshooting", "List of MyChat Client errors", "Error #0297".
 
Error

Error #0297: Kanban project with с ID (XXX) does not exist
 

Error description

It turned out that when attempting to execute the command, the project's numeric ID specified incorrectly, or such project does not exist.

 
Problem solution

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