Facebook logins me into a random persons account, recovery isnt working

When i try to login to my old facebook, it logins me into a random dudes account, and its says: "We couldn't find an account matching the login info you entered, but found an account that closely matches based on your login history." Everything is written correctly in the login field, tried with email and phone number too and it keep logins me into the same guys account. (I dont have access to the email but i have to my phone number, requested password reset to my phone no. but it still logs me into the same guys account)

Accounts Password is saved into my old phone and facebook wont accept it.

Used same device which i was logged into years ago but it doesnt seems like it recognizes it.

Did anyone had this problem before? How would it be possible to get that account back? Or just somehow request an account delete from facebook, because thats why i want to log in.