[Openstack Tacker] - Issue while creating NS

Hi Team, Was trying to create NS using the document : https://docs.openstack.org/tacker/yoga/user/nsd_usage_guide.html But getting an error, the bug has been opened, requesting your kind assistance. https://bugs.launchpad.net/tacker/+bug/1999502 thanks once again. -- ~ Lokendra skype: lokendrarathour