Mining suspends Manager Job

[OverlordQ]

Describe the bug

Nobody interacts with the Colony Manager table unless forced.

Suspending manager job because it error-ed on tick: 
System.InvalidOperationException: Collection was modified; enumeration operation may not execute.
  at System.ThrowHelper.ThrowInvalidOperationException (System.ExceptionResource resource) [0x0000b] in <eae584ce26bc40229c1b1aa476bfa589>:0 
  at System.Collections.Generic.List`1+Enumerator[T].MoveNextRare () [0x00013] in <eae584ce26bc40229c1b1aa476bfa589>:0 
  at System.Collections.Generic.List`1+Enumerator[T].MoveNext () [0x0004a] in <eae584ce26bc40229c1b1aa476bfa589>:0 
  at System.Linq.Enumerable+WhereListIterator`1[TSource].MoveNext () [0x0004e] in <351e49e2a5bf4fd6beabb458ce2255f3>:0 
  at System.Linq.Enumerable.Sum[TSource] (System.Collections.Generic.IEnumerable`1[T] source, System.Func`2[T,TResult] selector) [0x00038] in <351e49e2a5bf4fd6beabb458ce2255f3>:0 
  at FluffyManager.ManagerJob_Mining.GetCountInChunks () [0x0004a] in <d99e12b2919b40f092db0d706757fbd3>:0 
  at FluffyManager.ManagerJob_Mining.Tick () [0x00019] in <d99e12b2919b40f092db0d706757fbd3>:0 
  at FluffyManager.Manager.MapComponentTick () [0x00029] in <d99e12b2919b40f092db0d706757fbd3>:0 
UnityEngine.StackTraceUtility:ExtractStackTrace ()
(wrapper dynamic-method) Verse.Log:Verse.Log.Error_Patch2 (string)
FluffyManager.Manager:MapComponentTick ()
Verse.MapComponentUtility:MapComponentTick (Verse.Map)
Verse.Map:MapPostTick ()
RimThreaded.Map_Patch:MapsPostTickPrepare ()
RimThreaded.RimThreaded:PrepareWorkLists ()
RimThreaded.RimThreaded:ProcessTicks (RimThreaded.RimThreaded/ThreadInfo)
RimThreaded.RimThreaded:InitializeThread (object)
System.Threading.ThreadHelper:ThreadStart_Context (object)
System.Threading.ExecutionContext:RunInternal (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool)
System.Threading.ExecutionContext:Run (System.Threading.ExecutionContext,System.Threading.ContextCallback,object,bool)
System.Threading.ExecutionContext:Run (System.Threading.ExecutionContext,System.Threading.ContextCallback,object)
System.Threading.ThreadHelper:ThreadStart (object)

Expected behavior

Pawns use the table as specified by priorities.

Steps to reproduce

1. Create manager table

Other mods

Installed:

[Mod list length: 28]
Harmony [https://steamcommunity.com/sharedfiles/filedetails/?id=2009463077]
Core [https:// no link (local mod)]
HugsLib [https://steamcommunity.com/sharedfiles/filedetails/?id=818773962]
All Memories Fade [https://steamcommunity.com/sharedfiles/filedetails/?id=2800155563]
Animal Tab [https://steamcommunity.com/sharedfiles/filedetails/?id=712141500]
AutoVents [https://steamcommunity.com/sharedfiles/filedetails/?id=2223332301]
Colony Manager [https://steamcommunity.com/sharedfiles/filedetails/?id=715565262]
Desire Paths [https://steamcommunity.com/sharedfiles/filedetails/?id=2072410063]
Dubs Performance Analyzer [https://steamcommunity.com/sharedfiles/filedetails/?id=2038874626]
Dubs Skylights [https://steamcommunity.com/sharedfiles/filedetails/?id=833899765]
EdB Prepare Carefully [https://steamcommunity.com/sharedfiles/filedetails/?id=735106432]
Geological Landforms [https://steamcommunity.com/sharedfiles/filedetails/?id=2773943594]
Graphics Settings+ [https://steamcommunity.com/sharedfiles/filedetails/?id=1678847247]
Heat Map [https://steamcommunity.com/sharedfiles/filedetails/?id=947972722]
Medical Tab [https://steamcommunity.com/sharedfiles/filedetails/?id=715565817]
Pick Up And Haul [https://steamcommunity.com/sharedfiles/filedetails/?id=1279012058]
ReGrowth: Expanded World Generation (Continued) [https://steamcommunity.com/sharedfiles/filedetails/?id=2791768296]
Realistic Rooms Rewritten [https://steamcommunity.com/sharedfiles/filedetails/?id=2558042766]
Save Our Ship 2 [https://steamcommunity.com/sharedfiles/filedetails/?id=1909914131]
Share The Load [https://steamcommunity.com/sharedfiles/filedetails/?id=1356838246]
Smarter Construction [https://steamcommunity.com/sharedfiles/filedetails/?id=2202185773]
Table Diner [https://steamcommunity.com/sharedfiles/filedetails/?id=1430086135]
Tilled Soil [https://steamcommunity.com/sharedfiles/filedetails/?id=725747149]
Vanilla Books Expanded [https://steamcommunity.com/sharedfiles/filedetails/?id=2193152410]
While You Are Nearby [https://steamcommunity.com/sharedfiles/filedetails/?id=2784585275]
Work Tab [https://steamcommunity.com/sharedfiles/filedetails/?id=725219116]
[KV] Trading Spot [https://steamcommunity.com/sharedfiles/filedetails/?id=1180719658]
RimThreaded [https://steamcommunity.com/sharedfiles/filedetails/?id=2222907981]

Output log

https://gist.github.com/0e40617fe4c45e750e918c587bd41d77

Save game

https://www.dropbox.com/s/erxoz5htqoga71s/South%20Eracoesberon.rws?dl=0

Screenshots

Environment

• OS: Win10
• 64 bits

Game

• 64 bits
• Steam
• Version 1.3

[OverlordQ]

I'm guessing it's probably RimThreaded.

https://github.com/cseelhoff/RimThreaded/wiki/For-Devs/#thread-safe-collections