If any page is not responding, or you are getting error messages, use this to clear your cache.
This will not
If you have any pending edits on any soundboards, studios, etc, this will clear those pending edits - so save those before clearing your cache if you want to keep any of them.
The reason that this can be needed from time to time is because when a new feature is added, old data that was stored is no longer valid, and needs to be cleared.