Hello TomSherry22,
Thank you for posting in the Apple Support Communities. We'd like to offer our support.
We understand that you're seeing an error that your Apple ID doesn't exist. In this case, try logging in to the Apple ID website from a web browser. Reproducing the issue on another device or browser may provide additional clues.
One account for everything Apple.
If you see the same error, we suggest using the support article below to locate your Apple ID:
If you forgot your Apple ID
Once you locate your Apple ID, if you still need help resetting the password, you can do so by taking these steps:
If you forgot your Apple ID password
We hope this information is useful. Kind regards.