If you are using an Apple ID and are having a problem logging into Fender Studio Pro, below are instructions for removing your Apple ID from your account and moving over to an email address.
1. Log into your my.fender.com account and click the 3 lines at the top right-hand corner of the screen.
2. Choose the option from the drop-down for "My Account."
3. Scroll down on the screen, and choose the option to switch to email and password.
4. Make sure that you have set a valid email address and have set a password that you can use going forward.