I installed the new template, the template manager says this after I log in: Call to a member function load() on bool
The website says: Sorry, there was a problem we could not recover from.
The server returned a "500 - Whoops, looks like something went wrong."

What to do? (Joomla 4 pages)

I installed the new template, the template manager says this after I log in: Call to a member function load() on bool The website says: Sorry, there was a problem we could not recover from. The server returned a "500 - Whoops, looks like something went wrong." What to do? (Joomla 4 pages)