An HTTP Error 500 (Internal Server Error) indicates that there is a problem inside of your script or the servers configuration. This error is most likely caused by a typo in the code or an invalid or illegal use of a function within the script. For the pass back to function correctly, then your script [...]
An HTTP 404 File Not Found error indicates that the URL specified as for your script is incorrect. For the pass back to function, 2CO must be able to locate and access the script and post the variables to it. HTTP errors are not generated specifically by 2Checkout. They are a part of the HTTP [...]
An HTTP 403 Forbidden error indicates that due the set up of your script and/or server, the viewer does not have permission to view this page. For the pass back to function, 2CO must be able to access the script and post the variables to it. HTTP errors are not generated specifically by 2Checkout. They [...]
This is a problem with your script and/or your web server. The error means that you are attempting to pass back to a file does not have the necessary permissions on the server to receive Post information from another script. If you have administrative or root access to your server, be sure that this file [...]
