Did the upgrade from Joomla 2.5 to 3.4.5
Everything went as it should, especially as I actually rebuilt the site, rather than upgraded.
Whilst the site was on a subdomain being fixed, it all worked.
Now, I moved it to the main domain position, and it almost works.

Backend of Matukio is not being "nice"...
When I go to Categories, this is what I see:



Other positions show things as they should be:



When I turn Error Messaging to Maximum, it states at the bottom of the page:
Fatal error: Class 'XMLReader' not found in /home/P/ptkno/www/libraries/joomla/feed/factory.php on line 39

I see someone mentioned this on a Support ticket, saying it was a disabled xmlreader module in hosting config.

Hm... everything worked fine here on the J2.5 platform, and on the J3.4.5 subdomain...?