Solved

I can't use my custom engine

What did you try to do?
I created my own engine for 100 million and 10 tokens, I can control and upgrade it

What happened instead?
But I can't use it in racing, I still use the stock engine, although I should have used my own

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?
Xiaomi Redmi Note 11

What is the operating system?
Android

What is the version number of the operating system?
Android 11

What operating system is your PC?
Windows 11

Which browser did you experience the problem in?
Chrome

Can the bug be reproduced?
If not having my own team in the clients in my own engine counts as reproducing a bug, then that's it

Additional comments:
When I click on Engines in the "Cars overview" tab, my game freezes for about a minute

UPD: I don't know which one of you is it, maybe Jack, maybe someone else, but thank you very much for solving my problem, I really appreciate it.