@Thomas look at https://bugs.launchpad.net/mos/+bug/1604846. I had marked it as a duplicate because it was a similar problem, but it was interfering with Horizon on a non-murano build.
@Thomas look at https:/ /bugs.launchpad .net/mos/ +bug/1604846. I had marked it as a duplicate because it was a similar problem, but it was interfering with Horizon on a non-murano build.