Nathan threw exception in WorkGiver LGF_LocalTrainingRackPlants: System.NullReferenceException: Object reference not set to an instance of an object
at RimWorld.WorkGiver_DoBill.get_PotentialWorkThingRequest () <0x00015>
at LocalGrowingFirst.WorkGiver_LocalZoneWrapper.get_PotentialWorkThingRequest () <0x00030>
at (wrapper dynamic-method) RimWorld.JobGiver_Work.TryIssueJobPackage_Patch1 (object,Verse.Pawn,Verse.AI.JobIssueParams) <0x0110e>

Verse.Log:Error(String, Boolean)
RimWorld.JobGiver_Work:TryIssueJobPackage_Patch1(Object, Pawn, JobIssueParams)
Verse.AI.ThinkNode_PrioritySorter:TryIssueJobPackage(Pawn, JobIssueParams)
Verse.AI.ThinkNode_Priority:TryIssueJobPackage(Pawn, JobIssueParams)
Verse.AI.ThinkNode_Tagger:TryIssueJobPackage(Pawn, JobIssueParams)
Verse.AI.ThinkNode_Subtree:TryIssueJobPackage(Pawn, JobIssueParams)
Verse.AI.ThinkNode_Priority:TryIssueJobPackage(Pawn, JobIssueParams)
Verse.AI.ThinkNode_Conditional:TryIssueJobPackage(Pawn, JobIssueParams)
Verse.AI.ThinkNode_Priority:TryIssueJobPackage(Pawn, JobIssueParams)
Verse.AI.Pawn_JobTracker:DetermineNextJob_Patch6(Object, ThinkTreeDef&)
Verse.AI.Pawn_JobTracker:TryFindAndStartJob()
Verse.AI.Pawn_JobTracker:EndCurrentJob(JobCondition, Boolean)
Verse.AI.Pawn_JobTracker:JobTrackerTick()
Verse.Pawn:Tick_Patch1(Object)
Verse.TickList:Tick()
Verse.TickManager:DoSingleTick()
Verse.TickManager:TickManagerUpdate()
Verse.Game:UpdatePlay()
Verse.Root_Play:Update()