HELP and is currently unavailable.

New Member
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Dear supporter, shopifier, please help me with my shop,
I have set up two shop on shopify, I set up everything, my shop run well,
And then I make payment for app installed with just only one credit card,
Nothing happen when I add credit card in first shop but after add credit card into my second shop,
I cannot access to manage two shop, just receive the alarm and is currently unavailable.
Anyone have solotion please help me,
I'm a absolute newbear and expecially my skill, english not good, so please support me.
Thank you in advance