Solved

Pilots don't training

What did you try to do?
I'm try trainig a pilots...

What happened instead?
But nobody happened.

Did the problem happen while using wi-fi, mobile data, or both?
Wi-fi

Did the bug happen in the app, on PC, or both?
App

What is the model of your device?
Honor 10 Lite

What is the operating system?
Android

What is the version number of the operating system?
10

Can the bug be reproduced?
Bag can repeated.

Additional comments:
Problem is solved. But idk how and why this bug is appeared

I was doing some background maintenance and this caused a unexpected hold up of some interactions on the backend, it should be all fixed now.