Here is what a normal directory structure from Xara looks like:

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The files for the pages to the web site (index.html, about.html, etc) are in the parent (Olpen Video Services) and the index_htm_files are a sub-directory off of that.
To transfer that to your structure, the web site files would normally be output to 2018 Fall Festival, not to the other sub-directory under it with the similar name, with the index_htm_files as a sub-directory (as it is now). So give us a screenshot of the contents of the parent directory of 2018 Fall Festival.