Installed the Themis Quickstart for J4, and have 2 problems:
When I take the site offline the frontend displays the following error: Class 'Html' not found
I renamed htaccess.txt to .htaccess and turned on Use URL Rewriting... all pages now return:
Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator at to inform them of the time this error occurred, and the actions you performed just before this error.
More information about this error may be available in the server error log.
Additionally, a 500 Internal Server Error error was encountered while trying to use an ErrorDocument to handle the request.