Board Thread:Support Requests - Getting Technical/@comment-24015904-20131203023912/@comment-168424-20131203062859

The Arrays extension does not appear to be enabled on your wiki. Your code also doesn't appear to be expecting it, though. Your wiki also doesn't have the Variables extension enabled which would make more sense for the code you're using.

Check w:c:gr8kodr:Special:Version for the extensions that are enabled before coding with the assumption that a specific one is installed. If you need one installed, you can request it via w:c:gr8kodr:Special:Contact.