Hi there,
after upgrading Ajax Content Type and T3 Framework (Joomla 3.9.0) I got a whole bunch on error messages. Please look at this:

T3 Framework

Warning: count(): Parameter must be an array or an object that implements Countable in /luchvtjk/www.lucia-hotel.at/administrator/components/com_jaextmanager/lib/jaupdater/core/bean/Products.php on line 526
Successfully upgraded to version 2.7.3. Please refresh this page to see the version update.

Ajax Content Type:
Warning: count(): Parameter must be an array or an object that implements Countable in /luchvtjk/www.lucia-hotel.at/administrator/components/com_jaextmanager/lib/jaupdater/core/bean/Products.php on line 526

Warning: count(): Parameter must be an array or an object that implements Countable in /luchvtjk/www.lucia-hotel.at/administrator/components/com_jaextmanager/lib/jaupdater/core/bean/Products.php on line 526
Successfully upgraded to version 1.0.2. Please refresh this page to see the version update.

-- > so what does that mean? What should I do?

Honestly this is the only template that causes so much issues and problems. I am not happy with that.

Tina