I called grab help centre regarding can't use grab pay , credit card &;; debit card for payment , the person said system error need to solve the issue 20 minutes ,but , after 20 minutes still same problems didn't solve it & grab call us also missing can't call !!!??? call customer hotline also nobody to answer phones !!!??? what the going on now ! my grab pay account still have money can't use it , on hold my credit in grab pay , can your help me to solve this issue , please thanks please thanks