Drifting sand last quest freeze/crash

mobile huawei gr5 android 6.0.1

drifting sand last challenge crashes the app everytime I try to click on “To battle!”
I tried to force stop the app, shut down my phone. Still cant do the last quest. Screen freeze and the app close.

Hey, it sounds like there might be something wrong with your account.

Can you please send a support ticket so I can check this with the development team?