This thread is kinda old unfortunately the problem still exist~

Error 105 is not C&B issue only as SE claims.
I've picked up the new payment option - debit/credit card and still received that error.
When tried contacting support centre they just told me its C&B issue even tho I did mention Im not using this service. I never did. When I registred the game i've picked crysta. Didnt touch C&B EVER. (nice help there SE). This error doesn't make any sense and I dont see any explanation for its existance.

I also tried unregistering my card and reregistering - I couldn't - error 601. A few mins earlier I could register that card so what's going on? Also tried registering other cards but always same error, oh well.

Either way, I was forced to use crysta and ultimate pay- no problem with that. Glad I could or else I'd be screwed. Cheers~