I was attempting to follow the Help article for infoboxes in order to figure out how to use horizontal formatting, though I spent some time blearily stumbling around in an attempt to figure it out on my own. In doing so, I found that attempting to create a template and edit formatting via the source editor resulted in a blank infobox. While I thought I may have been incorrectly coding, I found that even the default templates now appear blank and are unusable, unless I'm missing something. Attempting to use one of the default infoboxes on an article yields the following:
When viewing the page in source editing mode, the template appears as follows:
I cannot for the life of me retrace my steps to figure out what I might have botched up, so I apologize if this isn't enough to go on. If there's no way to fix this, would it be possible to delete my wiki and start over?