Help linking psn account.

I am trying to link my account to my PSN account so I can get my early access to the battlefield beta that I received an email about. I am getting an error message. 

Linked Accounts Found

Your accounts can't be linked because your PlayStation™Network account

offshore_lugger already linked to your EA

Account for 6c*****@disabled.ea.com. An EA

Account can only be linked to one

PlayStation™Network account in its lifetime.

For more info, visit EA Help.

what do I do?? How can I fix this??? I’ve never seen that email in my life and I’ve only had one psn account ever.