Begin of the insertionIn the Nextcloud Integration appEnd of the insertion I can't Begin of the insertionset the OpenProject server URL when the OpenProject server's domain is managed by anEnd of the insertion Begin of the deletion connecting with Nextcloud - App Openproject withEnd of the deletion internal Begin of the insertionDNS. The validation error isEnd of the insertion Begin of the deletion DNS Domain ... he sayEnd of the deletion "Bitte gebe einen gültigen OpenProject-Hostnamen ein".

Begin of the insertionThe URLEnd of the insertion Begin of the deletion But heEnd of the deletion is Begin of the insertioncorrect. TheEnd of the insertion Begin of the deletion correct, theEnd of the deletion server works internal only. Begin of the insertionThe domain name  is `.lan`.End of the insertion Begin of the deletion DNS-Name is .lan. ;-)End of the deletion