Request Error on authenticator

I have problem logging in web browser and mobile app.
On logging and receiving notification on the phone to accept the generated code and when i click on it the login on the mobile app disappear and on the authenticator say “Request Error”
I’m using IOS 15.4.1 and the app version is 2.5.0

I want to get rid of the authenticator it’s linked to I phone I haven’t had in to 2 years