Disable Workspace "Add notes ..."
sudo -u apache php /var/www/nextcloud/occ config:app:set text workspace_available --value=0
Recreate Indexes
sudo -u apache php /var/www/nextcloud/occ db:add-missing-indices
Authors:
sudo -u apache php /var/www/nextcloud/occ config:app:set text workspace_available --value=0
sudo -u apache php /var/www/nextcloud/occ db:add-missing-indices