Problem has been solved. I was able to help myself.
The following forum post (last entry) by @Davoud was helpful: https://help.nextcloud.com/t/disable-2fa-by-occ-command/56706/15

Problem has been solved. I was able to help myself.
The following forum post (last entry) by @Davoud was helpful: https://help.nextcloud.com/t/disable-2fa-by-occ-command/56706/15
