this error keep poping up

Exception in Verse.AI.ThinkNode_Priority TryIssueJobPackage: System.IndexOutOfRangeException: Index was outside the bounds of the array.
at Verse.ThingGrid.ThingsListAtFast (Verse.IntVec3 c) [0x00017] in <fb990b97d3044443868e071f6dd56489>:0
at Verse.GenGrid.Impassable (Verse.IntVec3 c, Verse.Map map) [0x00000] in <fb990b97d3044443868e071f6dd56489>:0
at Autocleaner.JobGiverGotoCorner.SuitablePosition (Verse.IntVec3 pos, Verse.Map map, System.Boolean fallback) [0x000c9] in <e4c2f444e94c44f09f13b2249ae54797>:0
at Autocleaner.JobGiverGotoCorner+<>c__DisplayClass2_0.<FindSuitablePosition>b__1 (Verse.IntVec3 x) [0x00001] in <e4c2f444e94c44f09f13b2249ae54797>:0
at Verse.FloodFiller+<>c__DisplayClass9_0.<FloodFill>b__0 (Verse.IntVec3 cell, System.Int32 traversalDist) [0x00000] in <fb990b97d3044443868e071f6dd56489>:0
at Verse.FloodFiller.FloodFill (Verse.IntVec3 root, System.Predicate`1[T] passCheck, System.Func`3[T1,T2,TResult] processor, System.Int32 maxCellsToProcess, System.Boolean rememberParents, System.Collections.Generic.IEnumerable`1[T] extraRoots) [0x00229] in <fb990b97d3044443868e071f6dd56489>:0
at Verse.FloodFiller.FloodFill (Verse.IntVec3 root, System.Predicate`1[T] passCheck, System.Func`2[T,TResult] processor, System.Int32 maxCellsToProcess, System.Boolean rememberParents, System.Collections.Generic.IEnumerable`1[T] extraRoots) [0x0000d] in <fb990b97d3044443868e071f6dd56489>:0
at Autocleaner.JobGiverGotoCorner.FindSuitablePosition (Verse.Pawn pawn, Verse.Map map, Verse.IntVec3 pos) [0x0006b] in <e4c2f444e94c44f09f13b2249ae54797>:0
at Autocleaner.JobGiverGotoCorner.TryGiveJob (Verse.Pawn pawn) [0x00073] in <e4c2f444e94c44f09f13b2249ae54797>:0
at Verse.AI.ThinkNode_JobGiver.TryIssueJobPackage (Verse.Pawn pawn, Verse.AI.JobIssueParams jobParams) [0x00000] in <fb990b97d3044443868e071f6dd56489>:0
at Verse.AI.ThinkNode_Priority.TryIssueJobPackage (Verse.Pawn pawn, Verse.AI.JobIssueParams jobParams) [0x00022] in <fb990b97d3044443868e071f6dd56489>:0
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 39)

Nested FloodFill calls are not allowed. This will cause bugs.
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 39)

hope it helps thanks for updating to 1.3