One of the most likely problems you will encounter with your XML VQMod files, assuming that your path locations are correct is going to be markup errors. The smallest thing such as an “&” symbol will cause the whole file to not load correctly.
You can access your VQMod error log by looking in the vqmod/logs/ folder.
How to Fix
- Run your code through an XML validator such as: http://www.xmlvalidation.com/