why cant i buy coins with my credit card it keeps saying chose another method

Hi long time wow and wow-mainia player back after a long break of 3 years, I'm looking for a casual guild as slowly finding my feet again, i have raided before but be kind lol I have a few level 80's of most classes just leveling a couple of toons to get the feel again, i'm a mature player, i only h...

ive tried a few times now to get a subscription to go vip and every time it says payment not available at this time im i doing something wrong or is it not working