This is a Windows problem. You may have triggered a change in the boot sequence of your computer, and Bitlocker is triggered due to how Secure Boot works.
If you're seeing the Windows blue screen for unlocking your drive after a reboot, you have to supply the recovery key.
This is something that either you have in your Microsoft account, or in a file copied and stored somewhere.
That blue screen should tell you: (1) what microsoft web page to go to in the form of a shortened url that begins with "aka.ms" (potentially you'll have to use your phone or another computer, as your computer is locked) and (2) how to identify the key you need to type.