When signing in to MXM Pro for Publishers, always remember to use the same method used to fill in the information during Musixmatch registration (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)