For multiple years now, I've had the hidden messages quest stuck in my quest log, incomplete, and I haven't been able to finish it. As best I can recall, I did the steps to complete the quest while it wasn't active and it never got marked as completed. The current instructions in my quest log are to "craft the Mirage chassis with my blueprint", but I don't have a chassis in my inventory and I'm unable to get a replacement from cephalon Simaris as I haven't properly completed the quest. Attached are screenshots of my quest log and foundry (the extra copy of hidden messages is from the star chart rework a while back when they added junctions, just to give you an idea of how long this has been stuck). https://imgur.com/a/JxbrOan