Same issue for me also. 
my username on origin is harithadilshan. Profile is there, but I can not link it to my account. Says “name could not be found”.
here is the account link:
https://apex.tracker.gg/apex/profile/origin/harithadilshan/overview
Same issue for me also. my username on origin is harithadilshan. Profile is there, but I can not link it to my account. Says “name could not be found”.
here is the account link:
https://apex.tracker.gg/apex/profile/origin/harithadilshan/overview