Disabling Multiple Clicks to the Submit Order button in Shopp

Most of us who use web browsers understand that the web UI only requires a single click on links, form buttons, and input fields. However, there are people who are used to double-clicking everything in the same way you double-click icons in an OS GUI. Sometimes this causes problems, specifically with shopping carts, where double-clicking […]

Elavon Gateway Requires ‘ssl_customer_code’ for American Express

After building an Elavon gateway for Shopp, one of my clients reported an error saying that they were getting an error whenever one of their customers tried to pay with an American Express card. The error code was 4009 – Required Field Not Supplied, and the required field was “ssl_customer_code” which according to the developer […]