Hello, @vasiliialeksandrov . . . I am sorry for the delay in the response from Support. They are back-logged and are responding to everyone as quickly as they can. Please read here.
Also, you may want to submit your voice here to see if it will help. No guarantees but worth a try.
There is also the possibility that your EMO has developed issues with his legs and feet making it so that he cannot walk straight back to the home station and runs out of battery before he can get there. Please see if any tips here might help.