i downloaded v3.02, same problem
System.NullReferenceException: Object reference not set to an instance of an object
at RimWorld.StockGenerator_Animals+<HandlesThingDef>c__AnonStorey2.<>m__0 (System.String tag) [0x0000c] in C:\Dev\RimWorld\Assets\Scripts\RimWorld\Trade\StockGeneration\StockGenerators_Various.cs:263
at System.Collections.Generic.List`1[System.String].GetIndex (Int32 startIndex, Int32 count, System.Predicate`1 match) [0x0000b] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Collections.Generic/List.cs:313
at System.Collections.Generic.List`1[System.String].FindIndex (System.Predicate`1 match) [0x00006] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Collections.Generic/List.cs:294
at Verse.GenCollection.Any[String] (System.Collections.Generic.List`1 list, System.Predicate`1 predicate) [0x00003] in C:\Dev\RimWorld\Assets\Scripts\Verse\Utility\Gen\GenCollection.cs:779
at RimWorld.StockGenerator_Animals.HandlesThingDef (Verse.ThingDef thingDef) [0x00056] in C:\Dev\RimWorld\Assets\Scripts\RimWorld\Trade\StockGeneration\StockGenerators_Various.cs:263
at RimWorld.TraderKindDef.WillTrade (Verse.ThingDef td) [0x00016] in C:\Dev\RimWorld\Assets\Scripts\RimWorld\Defs\DefTypes\TraderKindDef.cs:67
at RimWorld.Dialog_SellableItems.CalculateSellableItems (RimWorld.TraderKindDef trader) [0x00076] in C:\Dev\RimWorld\Assets\Scripts\RimWorld\UI\Trade\Dialog_SellableItems.cs:153
at RimWorld.Dialog_SellableItems..ctor (RimWorld.TraderKindDef trader) [0x0004d] in C:\Dev\RimWorld\Assets\Scripts\RimWorld\UI\Trade\Dialog_SellableItems.cs:39
at RimWorld.Planet.Settlement+<GetGizmos>c__Iterator0.<>m__0 () [0x00010] in C:\Dev\RimWorld\Assets\Scripts\RimWorld\Planet\WorldObject\Settlement\Settlement.cs:124
at Verse.Command_Action.ProcessInput (UnityEngine.Event ev) [0x0000e] in C:\Dev\RimWorld\Assets\Scripts\Verse\UI\Gizmos\Command_Action.cs:18
at Verse.GizmoGridDrawer.DrawGizmoGrid (IEnumerable`1 gizmos, Single startX, Verse.Gizmo& mouseoverGizmo) [0x003fe] in C:\Dev\RimWorld\Assets\Scripts\Verse\UI\Gizmos\GizmoGridDrawer.cs:162
at RimWorld.InspectGizmoGrid.DrawInspectGizmoGridFor (IEnumerable`1 selectedObjects, Verse.Gizmo& mouseoverGizmo) [0x00216] in C:\Dev\RimWorld\Assets\Scripts\RimWorld\UI\MainButtons\Inspect\InspectPaneFiller.cs:285
Verse.Log:Error(String, Boolean) (at C:\Dev\RimWorld\Assets\Scripts\Verse\Utility\Debug\Log\Log.cs:78)
Verse.Log:ErrorOnce(String, Int32, Boolean) (at C:\Dev\RimWorld\Assets\Scripts\Verse\Utility\Debug\Log\Log.cs:105)
RimWorld.InspectGizmoGrid:DrawInspectGizmoGridFor(IEnumerable`1, Gizmo&) (at C:\Dev\RimWorld\Assets\Scripts\RimWorld\UI\MainButtons\Inspect\InspectPaneFiller.cs:289)
RimWorld.Planet.WorldInspectPane:DrawInspectGizmos() (at C:\Dev\RimWorld\Assets\Scripts\RimWorld\UI\World\WorldInspectPane.cs:134)
RimWorld.InspectPaneUtility:ExtraOnGUI(IInspectPane) (at C:\Dev\RimWorld\Assets\Scripts\RimWorld\UI\MainButtons\Inspect\InspectPaneUtility.cs:128)
RimWorld.Planet.WorldInspectPane:ExtraOnGUI() (at C:\Dev\RimWorld\Assets\Scripts\RimWorld\UI\World\WorldInspectPane.cs:206)
Verse.WindowStack:WindowStackOnGUI() (at C:\Dev\RimWorld\Assets\Scripts\Verse\UI\Windows\WindowStack.cs:169)
RimWorld.UIRoot_Play:UIRootOnGUI() (at C:\Dev\RimWorld\Assets\Scripts\RimWorld\UI\UIRoot_Play.cs:91)
Verse.Root:OnGUI() (at C:\Dev\RimWorld\Assets\Scripts\Verse\Global\Root\Root.cs:164)
output log: https://git.io/f49iG
my mods
<li>Core</li>
<li>HugsLib</li>
<li>Terra Core/Framework</li>
<li>Golgafrinchans</li>
<li>GeneticRim Release Version</li>
<li>They're still Clever</li>
<li>The Birds and the Bees</li>
<li>A Dog Said...</li>
<li>[Ling]Cooler1.0</li>
<li>Numbers</li>
<li>Dubs Rimkit - v1 DEV</li>
<li>Dubs Bad Hygiene - v1 - test</li>
<li>Dubs Skylights - DEV</li>
<li>Fluffy Breakdowns</li>
<li>[FSF] No Bionics Uneasiness</li>
<li>[FSF] Vanilla Bionics Expansion</li>
<li>No Forced Slowdown</li>
<li>[FSF] Encounter Map Resources</li>
<li>[XND] TE Turret Expansion</li>
<li>[XND] Turret Extensions</li>
<li>Buildable Terrain v1</li>
<li>Additional Lights 1.0</li>
<li>Simple Steel Bridges</li>
<li>Medical Training</li>
<li>Invisible Conduits</li>
<li>Work Tab</li>
and mods
<li>Core</li>
<li>HugsLib</li>
<li>GeneticRim Release Version</li>
output log: https://git.io/f49Pa
[attachment deleted due to age]
System.NullReferenceException: Object reference not set to an instance of an object
at RimWorld.StockGenerator_Animals+<HandlesThingDef>c__AnonStorey2.<>m__0 (System.String tag) [0x0000c] in C:\Dev\RimWorld\Assets\Scripts\RimWorld\Trade\StockGeneration\StockGenerators_Various.cs:263
at System.Collections.Generic.List`1[System.String].GetIndex (Int32 startIndex, Int32 count, System.Predicate`1 match) [0x0000b] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Collections.Generic/List.cs:313
at System.Collections.Generic.List`1[System.String].FindIndex (System.Predicate`1 match) [0x00006] in /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Collections.Generic/List.cs:294
at Verse.GenCollection.Any[String] (System.Collections.Generic.List`1 list, System.Predicate`1 predicate) [0x00003] in C:\Dev\RimWorld\Assets\Scripts\Verse\Utility\Gen\GenCollection.cs:779
at RimWorld.StockGenerator_Animals.HandlesThingDef (Verse.ThingDef thingDef) [0x00056] in C:\Dev\RimWorld\Assets\Scripts\RimWorld\Trade\StockGeneration\StockGenerators_Various.cs:263
at RimWorld.TraderKindDef.WillTrade (Verse.ThingDef td) [0x00016] in C:\Dev\RimWorld\Assets\Scripts\RimWorld\Defs\DefTypes\TraderKindDef.cs:67
at RimWorld.Dialog_SellableItems.CalculateSellableItems (RimWorld.TraderKindDef trader) [0x00076] in C:\Dev\RimWorld\Assets\Scripts\RimWorld\UI\Trade\Dialog_SellableItems.cs:153
at RimWorld.Dialog_SellableItems..ctor (RimWorld.TraderKindDef trader) [0x0004d] in C:\Dev\RimWorld\Assets\Scripts\RimWorld\UI\Trade\Dialog_SellableItems.cs:39
at RimWorld.Planet.Settlement+<GetGizmos>c__Iterator0.<>m__0 () [0x00010] in C:\Dev\RimWorld\Assets\Scripts\RimWorld\Planet\WorldObject\Settlement\Settlement.cs:124
at Verse.Command_Action.ProcessInput (UnityEngine.Event ev) [0x0000e] in C:\Dev\RimWorld\Assets\Scripts\Verse\UI\Gizmos\Command_Action.cs:18
at Verse.GizmoGridDrawer.DrawGizmoGrid (IEnumerable`1 gizmos, Single startX, Verse.Gizmo& mouseoverGizmo) [0x003fe] in C:\Dev\RimWorld\Assets\Scripts\Verse\UI\Gizmos\GizmoGridDrawer.cs:162
at RimWorld.InspectGizmoGrid.DrawInspectGizmoGridFor (IEnumerable`1 selectedObjects, Verse.Gizmo& mouseoverGizmo) [0x00216] in C:\Dev\RimWorld\Assets\Scripts\RimWorld\UI\MainButtons\Inspect\InspectPaneFiller.cs:285
Verse.Log:Error(String, Boolean) (at C:\Dev\RimWorld\Assets\Scripts\Verse\Utility\Debug\Log\Log.cs:78)
Verse.Log:ErrorOnce(String, Int32, Boolean) (at C:\Dev\RimWorld\Assets\Scripts\Verse\Utility\Debug\Log\Log.cs:105)
RimWorld.InspectGizmoGrid:DrawInspectGizmoGridFor(IEnumerable`1, Gizmo&) (at C:\Dev\RimWorld\Assets\Scripts\RimWorld\UI\MainButtons\Inspect\InspectPaneFiller.cs:289)
RimWorld.Planet.WorldInspectPane:DrawInspectGizmos() (at C:\Dev\RimWorld\Assets\Scripts\RimWorld\UI\World\WorldInspectPane.cs:134)
RimWorld.InspectPaneUtility:ExtraOnGUI(IInspectPane) (at C:\Dev\RimWorld\Assets\Scripts\RimWorld\UI\MainButtons\Inspect\InspectPaneUtility.cs:128)
RimWorld.Planet.WorldInspectPane:ExtraOnGUI() (at C:\Dev\RimWorld\Assets\Scripts\RimWorld\UI\World\WorldInspectPane.cs:206)
Verse.WindowStack:WindowStackOnGUI() (at C:\Dev\RimWorld\Assets\Scripts\Verse\UI\Windows\WindowStack.cs:169)
RimWorld.UIRoot_Play:UIRootOnGUI() (at C:\Dev\RimWorld\Assets\Scripts\RimWorld\UI\UIRoot_Play.cs:91)
Verse.Root:OnGUI() (at C:\Dev\RimWorld\Assets\Scripts\Verse\Global\Root\Root.cs:164)
output log: https://git.io/f49iG
my mods
<li>Core</li>
<li>HugsLib</li>
<li>Terra Core/Framework</li>
<li>Golgafrinchans</li>
<li>GeneticRim Release Version</li>
<li>They're still Clever</li>
<li>The Birds and the Bees</li>
<li>A Dog Said...</li>
<li>[Ling]Cooler1.0</li>
<li>Numbers</li>
<li>Dubs Rimkit - v1 DEV</li>
<li>Dubs Bad Hygiene - v1 - test</li>
<li>Dubs Skylights - DEV</li>
<li>Fluffy Breakdowns</li>
<li>[FSF] No Bionics Uneasiness</li>
<li>[FSF] Vanilla Bionics Expansion</li>
<li>No Forced Slowdown</li>
<li>[FSF] Encounter Map Resources</li>
<li>[XND] TE Turret Expansion</li>
<li>[XND] Turret Extensions</li>
<li>Buildable Terrain v1</li>
<li>Additional Lights 1.0</li>
<li>Simple Steel Bridges</li>
<li>Medical Training</li>
<li>Invisible Conduits</li>
<li>Work Tab</li>
and mods
<li>Core</li>
<li>HugsLib</li>
<li>GeneticRim Release Version</li>
output log: https://git.io/f49Pa
[attachment deleted due to age]