Add to Cart - General Script error

[johngwms]

Another bug has arisen on my site which I am having problems tracking down.

When the Add to Cart button is pressed on this product page:

http://www.thedebugstore.com/acatalo...-Analyser.html

I get a General Script Error.

I...

[SPS]

Hello,

We have got this intermittent error on the site, when checking out in various browsers.

http://www.smartpackagingstore.co.uk...in/os000001.pl
This the page where the customer selects which payment method.

The page normally just goes blank...

[lamphouse]

Hello,

I know there are several other threads regarding this matter, but can't seem to find a conclusion to the problem.

I am getting the following message on all the important pages.

A General Script Error Occurred
Error: Error opening configuration...