APV bake crashes on finalizing bake

Unity Engine
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1

Hey,

im trying to implement APVs in my project.

Depending on my APV volume configuration i get different errors.
I have a 2000x2000m volume with 27-81m spacing
and 2 200x200m volumes with 1-27m spacing

when i bake them independantly (deactivating the others) it works.

if i bake them together i get the following error

System.ArgumentNullException: Value cannot be null.
Parameter name: key
  at System.Collections.Generic.Dictionary`2[TKey,TValue].TryInsert (TKey key, TValue value, System.Collections.Generic.InsertionBehavior behavior) [0x00008] in <eb0ef51e5908461ca908fdf6b2dbd966>:0 
  at System.Collections.Generic.Dictionary`2[TKey,TValue].set_Item (TKey key, TValue value) [0x00000] in <eb0ef51e5908461ca908fdf6b2dbd966>:0 
  at UnityEngine.Rendering.AdaptiveProbeVolumes.WriteBakingCells (UnityEngine.Rendering.BakingCell[] bakingCells) [0x00ec7] in .\Library\PackageCache\com.unity.render-pipelines.core@38fdc9b96878\Editor\Lighting\ProbeVolume\ProbeGIBaking.Serialization.cs:1080 
  at UnityEngine.Rendering.AdaptiveProbeVolumes.ApplyPostBakeOperations () [0x000f6] in .\Library\PackageCache\com.unity.render-pipelines.core@38fdc9b96878\Editor\Lighting\ProbeVolume\ProbeGIBaking.cs:1404 
  at UnityEngine.Rendering.AdaptiveProbeVolumes.FinalizeBake (System.Boolean cleanup) [0x0001c] in .\Library\PackageCache\com.unity.render-pipelines.core@38fdc9b96878\Editor\Lighting\ProbeVolume\ProbeGIBaking.cs:1109 
UnityEditor.Lightmapping:AdditionalBake (single&,bool&)

when i create a global volume additionally to those three it immediately crashes with this error

NullReferenceException: Object reference not set to an instance of an object
UnityEngine.Rendering.GIContributors.FilterLayerMaskOnly (UnityEngine.LayerMask layerMask) (at ./Library/PackageCache/com.unity.render-pipelines.core@38fdc9b96878/Runtime/Lighting/ProbeVolume/ProbeVolumeGIContributor.cs:393)
UnityEngine.Rendering.ProbePlacement.SubdivideSubCell (UnityEngine.Bounds cellAABB, UnityEngine.Rendering.ProbeSubdivisionContext subdivisionCtx, UnityEngine.Rendering.ProbePlacement+GPUSubdivisionContext ctx, UnityEngine.Rendering.GIContributors contributors, System.Collections.Generic.List`1[T] probeVolumes, System.Collections.Generic.HashSet`1[T] brickSet) (at ./Library/PackageCache/com.unity.render-pipelines.core@38fdc9b96878/Editor/Lighting/ProbeVolume/ProbePlacement.cs:352)
UnityEngine.Rendering.ProbePlacement.SubdivideCell (UnityEngine.Vector3Int cellPosition, UnityEngine.Bounds cellBounds, UnityEngine.Rendering.ProbeSubdivisionContext subdivisionCtx, UnityEngine.Rendering.ProbePlacement+GPUSubdivisionContext ctx, UnityEngine.Rendering.GIContributors contributors, System.Collections.Generic.List`1[T] probeVolumes) (at ./Library/PackageCache/com.unity.render-pipelines.core@38fdc9b96878/Editor/Lighting/ProbeVolume/ProbePlacement.cs:303)
UnityEngine.Rendering.AdaptiveProbeVolumes.BakeBricks (UnityEngine.Rendering.ProbeSubdivisionContext ctx, UnityEngine.Rendering.GIContributors& contributors, System.Boolean& canceledByUser) (at ./Library/PackageCache/com.unity.render-pipelines.core@38fdc9b96878/Editor/Lighting/ProbeVolume/ProbeGIBaking.Placement.cs:337)
UnityEngine.Rendering.AdaptiveProbeVolumes.GetWorldSubdivision (System.Boolean& canceledByUser) (at ./Library/PackageCache/com.unity.render-pipelines.core@38fdc9b96878/Editor/Lighting/ProbeVolume/ProbeGIBaking.Placement.cs:167)
UnityEngine.Rendering.AdaptiveProbeVolumes.RunPlacement (System.Boolean& canceledByUser) (at ./Library/PackageCache/com.unity.render-pipelines.core@38fdc9b96878/Editor/Lighting/ProbeVolume/ProbeGIBaking.Placement.cs:145)
UnityEngine.Rendering.AdaptiveProbeVolumes.PrepareBaking () (at ./Library/PackageCache/com.unity.render-pipelines.core@38fdc9b96878/Editor/Lighting/ProbeVolume/ProbeGIBaking.cs:918)
UnityEngine.Rendering.AdaptiveProbeVolumes.OnBakeStarted () (at ./Library/PackageCache/com.unity.render-pipelines.core@38fdc9b96878/Editor/Lighting/ProbeVolume/ProbeGIBaking.cs:893)
UnityEditor.Lightmapping.Internal_CallBakeStartedFunctions () (at <c80d599bb30f4b0bbd7509f2fe905e9b>:0)
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr, Boolean&)

Im tried in 6000.27 .34 .37 .38 and it always results in the same errors.

for the .37 and .38 run i applied this fix because of the apv lighting tab

Thank you for your help