Internal server error/Erreur interne du serveur


I have a problem to login since this morning, nothing has change on our instllation, no new app install, really nothing since few weeks.


tail -f /var/log/syslog
Jun 21 09:56:08 nextcloud kernel: [ 249.652632] audit: type=1400 audit(1561103768.742: apparmor=“DENIED” operation=“file_mmap” profile=“snap.nextcloud.nextcloud-fixer” name="/" pid=30891 comm=“php” requested_mask=“w” denied_mask=“w” fsuid=0 ouid=0

Thank you in advance for your help !