Won't let me sign onto rocket league on epic or psn. It says "can not find player". Any help?

[Txrtles101_YT]

I tried to sign in, it said cannot find player. Any help?

[leonboi972]

yeah i had the same and every time i try to find my account via epic or xbox login it comes up with an account for someone called whocosmic

[leonboi972]

[leonboi972]