Help with Apple ID login and asensei

[Birdy313]

I’m trying to log my asensei workouts to the pm5 so I can keep track of my meters in one place, but the asensei app takes me to concept2 to log in. It doesn’t give me the option to log in with Apple ID and doesn’t accept the password Apple has saved for me. Does anyone have any guidance? I don’t want to create a new account, but will if I need to. I’ve only had the erg for about two weeks now. Thank you in advance.