"defenders of Softaculous and cPanel"
Did I ever mention... "don't use Softaculous for anything that matters"?
"defenders of Softaculous and cPanel" - a mythical creature of unknown origin!
Have you tried changing the database version back? I second the suggestion to contact your web provider - sounds like a full restore of a backup might be in order.
Hey! Found where the Softaculous 'myhical creature' lives!
https://www.softaculous.com/board/index.php?
Wow! Can get a free copy of it.
https://www.softaculous.com/board/index.php?tid=1890
And that is also where Softaculous users installing/updating/upgrading Moodle can get support ...
https://www.softaculous.com/board/index.php?as=bmbye215c7ljzq5notknxeoljszjro27&tid=5840
'in the spirit of discovery',
Ken