alteredCart Knowledgebase
Browse or search our knowledgebase for instant answers to frequently asked questions. You'll find detailed instructions, tips, and information on numerous basic and advanced subjects.
Most Popular Knowledgebase Articles
- How do I find files that may have extra line breaks or whitespace after the ?> in a PHP file?
When a PHP script has extra whitespace after the final ?> a headers errors can result. In the normal operation of your X-Cart store this can cause a message to display when adding products to the cart,... - I receive an "Order processing error ! Payment processor can not process your order. Data is invalid" error when submitting a $0 order with the One Page Checkout.
Somewhere around X-Cart version 4.1.8 or later, X-Cart changed the include/payment_method.php file introducing a bug that will not allow a $0 order. When a $0 order is submitted there is an error: Order... - [Tutorial] How do I create a sale that auto-generates a coupon?
1. First you must create the sale with a coupon code entered that operate as the 'master' sale. For example, if you want to send the customer a coupon for $10, create a sale to discount $10 off an order and... - I've contacted X-Cart tech support about a problem and they say the problem is in the One Page Checkout. How can I tell what is an X-Cart issue vs. a One Page Checkout issue?
To determine if the X-Cart code is the cause, or if the One Page Checkout is the cause, you can switch back and forth between the default multi-page checkout and the One Page checkout for your... - I'm receiving this error on the checkout page: "There was an error loading the shipping options, please try again. (You may need to refresh your browser.)"
This error is generally caused by either a PHP headers error, a cannot redeclare a function error, a PHP file containing whitespace or lines after the final ?>, or an installation error. Go to admin/logs.php and...
