(i2501) trying to register steam shadowbringers

Have the Steam version of XVI
Have Shadowbringers in my library.
Have the CD key.

But upon trying to register it I get the i2501 error.
Tried everything that reddit and such has mentioned.

Phone w-mobile data
New browser/Cleared cache
Tablet
No VPN/Adblock

Thank you for posting in the Final Fantasy XIV Technical Forums,

Unfortunately the issue you are describing is something we are not able to assist with in the Technical Support Forum. In order get the proper support, you will need to contact the North American Support Center.

This thread will be moved to ‘Separate Support Required.”

Hope you see you online!