Wiki/Nextcloud Troubleshooting.md

Nextcloud Troubleshooting

On upgrade singleton not found

#Nextcloud20

Problem

During an update from Nextcloud 19 to 20 the following issue has been thrown.

Error: Class 'OCA\Mail\AppInfo\BootstrapSingleton' not found in /var/www/nextcloud/apps/mail/lib/AppInfo/Application.php:35
Stack trace:

Solution

Manually repeate the upgrade and disable maintenance mode

docker exec --user www-data nextcloud02 php occ upgrade
docker exec --user www-data nextcloud02 php occ maintenance:mode --off   

Cannot install collabora server

#Nextcloud20

Problem

Installation from app store failed.

** Solution**

Run a manual installation.

docker exec --user www-data nextcloud02 php -d memory_limit=512M occ app:install richdocumentscode
docker exec --user www-data nextcloud02 php -d memory_limit=512M occ app:remove richdocumentscode