Unfourtunetly staff cannont refund your loss. Please read this before making a general support topic.
To quote for visibility:
"Some times when the game crashes/stuck, you might lose your a bit of your progress. Keep in mind that game is in BETA and crashes can happen any time. You will not be given anything you lost in a rollback/crash/stuck as it's responsbility. Please take the time to read the following thread. We are so sorry for your case, however, it will not have any action go further for your case."