Getting prompted to set up my account again on abbeyroad

Summary

When signing in, it is prompting me to set up an, already existing, account.

Steps to reproduce

Sign into abbeyroad (maybe with an account that hasn't signed into abbeyroad yet)

Platform information

Windows 10, Brave

What is the current bug behavior?

Signing in produces onboarding flow, even though my content is already there.

What is the expected correct behavior?

Should log on as normal.

Relevant logs and/or screenshots

Possible fixes

(If you can, link to the line of code that might be responsible for the problem)