Exception ticking Olivia (at (117, 0, 86)): System.InvalidCastException: Cannot cast from source type to destination type.
at Verse.Verb_LaunchProjectile.TryCastShot () <0x003cb>
at (wrapper dynamic-method) Verse.Verb_Shoot.TryCastShot_Patch1 (object) <0x00053>
at RimWorld.Verb_ShootOneUse.TryCastShot () <0x0001c>
at (wrapper dynamic-method) Verse.Verb.TryCastNextBurstShot_Patch0 (object) <0x0006c>
at Verse.Verb.WarmupComplete () <0x0003b>
at Verse.Verb_LaunchProjectile.WarmupComplete () <0x00021>
at Verse.Verb_Shoot.WarmupComplete () <0x00023>
at Verse.Stance_Warmup.Expire () <0x00022>
at Verse.Stance_Busy.StanceTick () <0x0002b>
at (wrapper dynamic-method) Verse.Stance_Warmup.StanceTick_Patch1 (object) <0x003bb>
at Verse.Pawn_StanceTracker.StanceTrackerTick () <0x0005d>
at (wrapper dynamic-method) Verse.Pawn.Tick_Patch2 (object) <0x00178>
at Verse.TickList.Tick () <0x00487>

Verse.Log:Error(String, Boolean)
Verse.TickList:Tick()
Verse.TickManager:DoSingleTick()
Verse.TickManager:TickManagerUpdate()
Verse.Game:UpdatePlay()
Verse.Root_Play:Update()