The brazed/soldered joint has broken. It has to be attached to the sunroof frame to work, otherwise, as you have discovered, the cable tube and shearh moves instead of the enclosed cable.
Thanks for the reply and explanation - Do you have any idea if its possible to rejoin them together as I was speaking to someone on FB and they said nothing worked, so they had to replace the whole sunroofThe brazed/soldered joint has broken. It has to be attached to the sunroof frame to work, otherwise, as you have discovered, the cable tube and shearh moves instead of the enclosed cable.