Hello @ACK Kappa. As soon as you or anyone else notices this happen, please choose "Report an issue" from the Settings menu as soon as possible afterward (even if you have to close and reopen the game first). This will give our support team your game logs and better help them to find the source.
Hello @ACK Kappa and @H2O. As I have mentioned above, please choose "Report an issue" in the Settings menu as soon as you can after the error occurs. Your game logs will help our development team to find the source of the issue!