hey maxim little bug the telescope needed by your mission dissapears without doing anything when built meaning the mission is not completeable also it gives this error:

Exception in Tick (pawn=Anthal, job=FinishFrame (Job_34290) A=Thing_Telescope_TR_Frame51945, CurToil=1): System.ArgumentNullException: Argument cannot be null.
Parameter name: type
at System.Activator.CheckType (System.Type) <0x0005d>
at System.Activator.CreateInstance (System.Type,bool) <0x00013>
at System.Activator.CreateInstance (System.Type) <0x00012>
at Verse.ThingMaker.MakeThing (Verse.ThingDef,Verse.ThingDef) <0x00214>
at (wrapper dynamic-method) RimWorld.Frame.CompleteConstruction_Patch2 (object,Verse.Pawn) <0x0030c>
at RimWorld.JobDriver_ConstructFinishFrame/<MakeNewToils>c__Iterator0/<MakeNewToils>c__AnonStorey1.<>m__1 () <0x001ef>
at (wrapper dynamic-method) Verse.AI.JobDriver.DriverTick_Patch1 (object) <0x00309>
lastJobGiver=RimWorld.JobGiver_Work, curJob.def=FinishFrame, curDriver=RimWorld.JobDriver_ConstructFinishFrame
Verse.Log:Error(String)
Verse.AI.Pawn_JobTracker:StartErrorRecoverJob(String)
Verse.AI.JobDriver:DriverTick_Patch1(Object)
Verse.AI.Pawn_JobTracker:JobTrackerTick()
Verse.Pawn:Tick()
Verse.TickList:Tick()
Verse.TickManager:DoSingleTick()
Verse.TickManager:TickManagerUpdate()
Verse.Game:UpdatePlay()
Verse.Root_Play:Update()

not sure if this is a tiberium rim or missions mod bug however