When signing in to MXM PRO for Publishers, always remember to use the same method used to fill in the information during Musixmatch PRO onboarding (i.e.: Google, Facebook, Apple or email and password).
If you are trying to log in and you are receiving the message below:
Please get in touch with publishers-support@musixmatch.com specifying:
Publisher Name
Contact Name
Email (used to filled in the information on Musixmatch PRO onboarding form)