Solved

Headquarters was degraded down a level

What did you try to do?
Nothing

What happened instead?
Headquarters was all leveled to 15 manager level up to 16 went back into headquarters and everything was level 14

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?
Sm-t580

What is the operating system?
Android

What is the version number of the operating system?
8.1.0

Can the bug be reproduced?
Not sure

Additional comments:

All of them i have since got all of them back to 15 and spent most of my game money 

All of them i have since got all of them back to 15 and spent most of my game money