see https://bugs.launchpad.net/hugin/+bug/1683015 especially comment #3 https://bugs.launchpad.net/hugin/+bug/1683015/comments/3 for tips what to try.
see https:/ /bugs.launchpad .net/hugin/ +bug/1683015 especially comment #3 https:/ /bugs.launchpad .net/hugin/ +bug/1683015/ comments/ 3 for tips what to try.