Can't log in to nextcloud page with any user

ℹ️ Support
2

This fixed it for me:
Source: https://help.nextcloud.com/t/fresh-install-of-11-0-1-login-loop/8724/8

chown nginx:nginx /var/lib/php/session/
chown root:nginx /var/lib/php/wsdlcache/
chown root:nginx /var/lib/php/opcache/