Purchase Assistance - Can't add payment method - "We are unable to complete your purchase" Error

[shutan]

guys just don't buy, play it for free a while first, it ain't finished and it feels like one big mess.

[Aquaman]

ticket 1535090
unable to purchase
pending payment
ticket 3 days old

[Ggamang]

unable to complete your purchase!!!
1571996
1583867
It's been a month since this problem occurred, and the response from the customer center is the same every day. Do it again after 7days. Check your bank account. However, the same problem occurred after 7 days, and there is no problem with the bank account.

[Kruken]

Unable to complete purchase
1614392
1614648

Six hour's of patron left and can't resub

[Kentrol]

Unable to complete purchase, trying to purchase Unchained:
(1638432)

[Grodd]

Unable to purchase do to country being different.
Request #1640349