Exception in BreadthFirstTraverse: System.NullReferenceException: Object reference not set to an instance of an object at MendAndRecycle.MendAndRecycleMod.ReplaceJob (Verse.AI.Job __result) [0x0000d] in <1a15e07cfa0543a29084aceb10142bfd>:0 at (wrapper dynamic-method) RimWorld.WorkGiver_DoBill.RimWorld.WorkGiver_DoBill.StartOrResumeBillJob_Patch1(RimWorld.WorkGiver_DoBill,Verse.Pawn,RimWorld.IBillGiver) at RimWorld.WorkGiver_DoBill.JobOnThing (Verse.Pawn pawn, Verse.Thing thing, System.Boolean forced) [0x0009d] in <a3ecb7f3699146939cf9b29bca0b2137>:0 at RimWorld.WorkGiver_Scanner.HasJobOnThing (Verse.Pawn pawn, Verse.Thing t, System.Boolean forced) [0x00000] in <a3ecb7f3699146939cf9b29bca0b2137>:0 at RimWorld.JobGiver_Work+<>c__DisplayClass3_1.<TryIssueJobPackage>b__0 (Verse.Thing t) [0x00013] in <a3ecb7f3699146939cf9b29bca0b2137>:0 at Verse.RegionProcessorClosestThingReachable.RegionProcessor (Verse.Region reg) [0x000f2] in <a3ecb7f3699146939cf9b29bca0b2137>:0 at Verse.RegionTraverser+BFSWorker.BreadthFirstTraverseWork (Verse.Region root, Verse.RegionEntryPredicate entryCondition, Verse.RegionProcessor regionProcessor, System.Int32 maxRegions, Verse.RegionType traversableRegionTypes) [0x00054] in <a3ecb7f3699146939cf9b29bca0b2137>:0 at Verse.RegionTraverser.BreadthFirstTraverse (Verse.Region root, Verse.RegionEntryPredicate entryCondition, Verse.RegionProcessor regionProcessor, System.Int32 maxRegions, Verse.RegionType traversableRegionTypes) [0x00044] in <a3ecb7f3699146939cf9b29bca0b2137>:0 UnityEngine.StackTraceUtility:ExtractStackTrace () Verse.Log:Error (string) Verse.RegionTraverser:BreadthFirstTraverse (Verse.Region,Verse.RegionEntryPredicate,Verse.RegionProcessor,int,Verse.RegionType) Verse.RegionTraverser:BreadthFirstTraverse (Verse.Region,Verse.RegionProcessorDelegateCache,int,Verse.RegionType) Verse.GenClosest:RegionwiseBFSWorker (Verse.IntVec3,Verse.Map,Verse.ThingRequest,Verse.AI.PathEndMode,Verse.TraverseParms,System.Predicate`1<Verse.Thing>,System.Func`2<Verse.Thing, single>,int,int,single,int&,Verse.RegionType,bool) Verse.GenClosest:ClosestThingReachable (Verse.IntVec3,Verse.Map,Verse.ThingRequest,Verse.AI.PathEndMode,Verse.TraverseParms,single,System.Predicate`1<Verse.Thing>,System.Collections.Generic.IEnumerable`1<Verse.Thing>,int,int,bool,Verse.RegionType,bool) RimWorld.JobGiver_Work:TryIssueJobPackage (Verse.Pawn,Verse.AI.JobIssueParams) Verse.AI.ThinkNode_PrioritySorter:TryIssueJobPackage (Verse.Pawn,Verse.AI.JobIssueParams) Verse.AI.ThinkNode_Priority:TryIssueJobPackage (Verse.Pawn,Verse.AI.JobIssueParams) Verse.AI.ThinkNode_Tagger:TryIssueJobPackage (Verse.Pawn,Verse.AI.JobIssueParams) Verse.AI.ThinkNode_Subtree:TryIssueJobPackage (Verse.Pawn,Verse.AI.JobIssueParams) Verse.AI.ThinkNode_Priority:TryIssueJobPackage (Verse.Pawn,Verse.AI.JobIssueParams) Verse.AI.ThinkNode_Conditional:TryIssueJobPackage (Verse.Pawn,Verse.AI.JobIssueParams) Verse.AI.ThinkNode_Priority:TryIssueJobPackage (Verse.Pawn,Verse.AI.JobIssueParams) Verse.AI.Pawn_JobTracker:DetermineNextJob (Verse.ThinkTreeDef&) Verse.AI.Pawn_JobTracker:TryFindAndStartJob () (wrapper dynamic-method) Verse.AI.Pawn_JobTracker:Verse.AI.Pawn_JobTracker.EndCurrentJob_Patch2 (Verse.AI.Pawn_JobTracker,Verse.AI.JobCondition,bool,bool) Verse.AI.Pawn_JobTracker:JobTrackerTick () Verse.Pawn:Tick () Verse.TickList:Tick () (wrapper dynamic-method) Verse.TickManager:Verse.TickManager.DoSingleTick_Patch3 (Verse.TickManager) Verse.TickManager:TickManagerUpdate () Verse.Game:UpdatePlay () Verse.Root_Play:Update ()