I get a Problem with repay order, if the customer place an order and payment Failed/Declined then RePay page doesn’t work correctly and customer cannot Re pay again, also the repay page missing the header and footer at this step, and message appear (Sorry, service is temporarily unavailable.) at the end of the page if customer trying to use credit cart to pay again
If you are familiar with the developer console of your browser, please check source code in it. You should see detailed error message at the bottom of the page