My generator doesn't seem to be working properly. When i run it, it would go to "Please wait. Sitemap generation in progress..." for about several minutes, then this error shows up.
Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator, [external links are visible to admins only] and inform them of the time the error occurred, and anything you might have done that may have caused the error.
More information about this error may be available in the server error log.
Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.
generator located on [external links are visible to admins only]