Thank you - that worked. I was then offered the upgrade to 26.0.7. I did this and it worked with the usual warning about missing indices. I did the usual fix:
sudo -u web9 php occ db:add-missing-indices
To get the errorL
This version of Nextcloud requires at least PHP 8.0
You are currently running 7.4.33. Please update your PHP version.
Well it’s running under PHP 8.1 and wouldn’t be working at all if it was PHP 7.4. Any idea how I can fix this? For info this is a bullseye installation which uses 7.4 but Apache is running the virtual server under 8.1 using the sury repo.
I did try: sudo -u web9 php8.1 occ db:add-missing-indices
But this through an error there was no matching APCu - though there is!