I figured out that the error is coming only when I try installation using SSH terminals from a windows host. I shifted to linux and SSH'd into the controller and there wasn't any error.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1945661 Title: openstack commands fail with GTK3 error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/python-openstackclient/+bug/1945661/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs