Something went wrong... To continue linking your EA Account, head back and start

I just bought PVZ GW2 on steam. and i can't play the game because i keep getting this message. 

Something went wrong...
To continue linking your EA Account, head back and start over.

I don't think it's the problem on my end. i tried both linking through steam or EA website. 

please fix.

If possible, please help me link my account on EA's end. 

Thank you

My steam account is

Prowessjen