Fatal error: Uncaught Error: Interface "OCP\Http\WellKnown\IHandler" not found in /home/tzuovhm/tzuovhm/apps_/settings/lib/WellKnown/SecurityTxtHandler.php:18 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/apps_/settings/lib/WellKnown/SecurityTxtHandler.php on line 18