Solved

Auction bid

What did you try to do?
Bid for a driver in the transfer list

What happened instead?
Cannot press the "bid" button although I have enough money and 4 tokens

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

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

What is the model of your device?
Bluestacks 5

What is the operating system?
Android

What is the version number of the operating system?
4.052

What operating system is your PC?
Windows 10

Which browser did you experience the problem in?
Microsoft Edge, Google Chrome

Can the bug be reproduced?
Yes

Additional comments:

Hello, I want to upgrade my staff, but I'm unable to place auction bids despite having enough money and tokens.
I don't have any staff reserves.
Update: the button is greyed out for both staff and drivers.

I have that also just now. Enough coins and money but I can't bid on it.

What did you try to do?
Bid for a trasfer person

What happened instead?
Did not let me click on it even though I have a good bit of money and 3 tokens

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

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

What is the model of your device?
Samsung

What is the operating system?
Android

What is the version number of the operating system?
4.052

Can the bug be reproduced?
No I just can't bid

Additional comments:

Thanks, it's back for me now

It's back now, thanks!