@Ben10 Welcome to the forum!
I’m sorry this has “happened” to you - unfortunately, if you really lost the master password, then there is no way to account recovery.
(source: I Forgot my Master Password | Bitwarden)
Try to export your items (manually) if you still are logged in on at least one Bitwarden app - and then delete your old account and start a new one.
Here is a more comprehensive list of things you maybe still could try/do now: [Guide] "I can't login" - Some tips for login problems/issues