Why am I getting an error message at checkout on my e-commerce site?

[Ocmenace714]

I am testing out my website to make sure it performs well.  While trying to check out I keep getting an erroe message.  The message reads ""There was a problem with our checkout.  Refresh this page or try again in a frew minutes."  I am about to go live and need this resolved quickly.  Please help, my shopify store is 7dcd24-2.myshopify.com.  Thank you in advance for your help.

[omarhussain]

Hi, you need to contact support they are dealing with Checkout Stuff