Hi! I remember this issue being reported here a while ago but it is still occuring:
In DeoVR, in the video overview panel, if for example you let it display all videos sorted by most recent, there will be something like 1100-1200 pages. If you click on the highest (last) page number, there will be a server error. If you navigate step by step from page 1 towards 1100, it will work approx. until page 200 but all numbers above will return server errors. I have observed similar behaviour for search results when there is a large number of results.
Are you aware of this issue?