I don't use mods

NullReferenceException: Object reference not set to an instance of an object

HugMonitor+Instance.FindEgg () (at <5375d36347d34bc0b1ea487bdcad48e4>:0)
HugMonitor+Instance.UpdateHasTarget () (at <5375d36347d34bc0b1ea487bdcad48e4>:0)
HugMonitor+<>c.<InitializeStates>b__11_0 (HugMonitor+Instance smi) (at <5375d36347d34bc0b1ea487bdcad48e4>:0)
GameStateMachine`4+State+<>c__DisplayClass58_0[StateMachineType,StateMachineInstanceType,MasterType,DefType].<ToggleBehaviour>b__0 (System.Object obj) (at <5375d36347d34bc0b1ea487bdcad48e4>:0)
ChoreConsumer.RunBehaviourPrecondition (Tag tag) (at <5375d36347d34bc0b1ea487bdcad48e4>:0)
ChorePreconditions+<>c.<.ctor>b__51_36 (Chore+Precondition+Context& context, System.Object data) (at <5375d36347d34bc0b1ea487bdcad48e4>:0)
Chore+Precondition+Context.DoPreconditions (System.Boolean mainThreadOnly) (at <5375d36347d34bc0b1ea487bdcad48e4>:0)
Chore+Precondition+Context.RunPreconditions () (at <5375d36347d34bc0b1ea487bdcad48e4>:0)
StandardChoreBase.CollectChores (ChoreConsumerState consumer_state, System.Collections.Generic.List`1[T] succeeded_contexts, System.Collections.Generic.List`1[T] incomplete_contexts, System.Collections.Generic.List`1[T] failed_contexts, System.Boolean is_attempting_override) (at <5375d36347d34bc0b1ea487bdcad48e4>:0)
Chore.CollectChores (ChoreConsumerState consumer_state, System.Collections.Generic.List`1[T] succeeded_contexts, System.Collections.Generic.List`1[T] failed_contexts, System.Boolean is_attempting_override) (at <5375d36347d34bc0b1ea487bdcad48e4>:0)
ChoreProvider.CollectChores (ChoreConsumerState consumer_state, System.Collections.Generic.List`1[T] succeeded, System.Collections.Generic.List`1[T] failed_contexts) (at <5375d36347d34bc0b1ea487bdcad48e4>:0)
ChoreConsumer.FindNextChore (Chore+Precondition+Context& out_context) (at <5375d36347d34bc0b1ea487bdcad48e4>:0)
Brain.FindBetterChore (Chore+Precondition+Context& context) (at <5375d36347d34bc0b1ea487bdcad48e4>:0)
Brain.UpdateChores () (at <5375d36347d34bc0b1ea487bdcad48e4>:0)
Brain.UpdateBrain () (at <5375d36347d34bc0b1ea487bdcad48e4>:0)
BrainScheduler+BrainGroup.RenderEveryTick (System.Single dt) (at <5375d36347d34bc0b1ea487bdcad48e4>:0)
BrainScheduler.RenderEveryTick (System.Single dt) (at <5375d36347d34bc0b1ea487bdcad48e4>:0)
SimAndRenderScheduler+RenderEveryTickUpdater.Update (IRenderEveryTick updater, System.Single dt) (at <1f583ce96a48430ba66629e5477a0517>:0)
UpdateBucketWithUpdater`1[DataType].Update (System.Single dt) (at <1f583ce96a48430ba66629e5477a0517>:0)
StateMachineUpdater+BucketGroup.AdvanceOneSubTick (System.Single dt) (at <1f583ce96a48430ba66629e5477a0517>:0)
StateMachineUpdater.RenderEveryTick (System.Single dt) (at <1f583ce96a48430ba66629e5477a0517>:0)
Game.LateUpdate () (at <5375d36347d34bc0b1ea487bdcad48e4>:0)
UnityEngine.DebugLogHandler:LogException(Exception, Object)
LogCatcher:UnityEngine.ILogHandler.LogException(Exception, Object)
UnityEngine.Debug:CallOverridenDebugHandler(Exception, Object)

Build: U55-663500-SCR