Fatal error: Uncaught Error: Interface "OCP\Security\IContentSecurityPolicyManager" not found in /home/tzuovhm/tzuovhm/nextcloud/lib/private/Security/CSP/ContentSecurityPolicyManager.php:18 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/nextcloud/lib/private/Security/CSP/ContentSecurityPolicyManager.php on line 18