Frequent errors when scanning & startup (6000.3.21f1)

Winters · August 6, 2026, 9:09pm

A* version: 5.4.6
Unity version: 6000.3.21f1

During initial scan

System.NullReferenceException: Object reference not set to an instance of an object
This Exception was thrown from a job compiled with Burst, which has limited exception support.
0x00007ff83ee240de (ntdll) KiUserExceptionDispatcher
0x00007fff4c1e597a (7d44868b57b84eb2d2182b1e30762ca) Unity.Collections.UnsafeQueue`1<Pathfinding.Int3>.get_Count (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@6bb9aca3ef38/.Runtime/Library/PackageCache/com.unity.collections@a43cabe808ca/Unity.Collections/UnsafeQueue.cs:216)
0x00007fff4c1e5455 (7d44868b57b84eb2d2182b1e30762ca) Unity.Collections.NativeQueue`1<Pathfinding.Int3>.get_Count (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@6bb9aca3ef38/.Runtime/Library/PackageCache/com.unity.collections@a43cabe808ca/Unity.Collections/NativeQueue.cs:77)
0x00007fff4c1e1cd6 (7d44868b57b84eb2d2182b1e30762ca) Pathfinding.Graphs.Navmesh.Voxelization.Burst.JobBuildRegions.Execute (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@6bb9aca3ef38/.Runtime/Packages/com.arongranberg.astar/Graphs/Navmesh/Voxels/VoxelRegion.cs:276)
0x00007fff4c255ba7 (7d44868b57b84eb2d2182b1e30762ca) Pathfinding.Graphs.Navmesh.Jobs.JobBuildTileMeshFromVoxels.Execute (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@6bb9aca3ef38/.Runtime/Packages/com.arongranberg.astar/Graphs/Navmesh/Jobs/JobBuildTileMeshFromVoxels.cs:217)
0x00007fff4c25eebb (7d44868b57b84eb2d2182b1e30762ca) Unity.Jobs.IJobExtensions.JobStruct`1<Pathfinding.Graphs.Navmesh.Jobs.JobBuildTileMeshFromVoxels>.Execute(ref Pathfinding.Graphs.Navmesh.Jobs.JobBuildTileMeshFromVoxels data, System.IntPtr additionalPtr, System.IntPtr bufferRangePatchData, ref Unity.Jobs.LowLevel.Unsafe.JobRanges ranges, int jobIndex) -> void_9f0b498db80163913a7c7d24e0112831 from UnityEngine.CoreModule, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@6bb9aca3ef38/.Runtime/unknown/unknown:0)
0x00007fff4c2548a7 (7d44868b57b84eb2d2182b1e30762ca) c7bd43dad8afab74e2910a0eea3eeaf4
0x00007fff1ad13829 (Unity) ExecuteJob
0x00007fff1ad149dd (Unity) ForwardJobToManaged
0x00007fff1b139c32 (Unity) ujob_execute_job
0x00007fff1b13928f (Unity) lane_guts
0x00007fff1b13d2f9 (Unity) worker_thread_routine
0x00007fff1b178bac (Unity) Thread::RunThreadWrapper
0x00007ff83dc7e957 (KERNEL32) BaseThreadInitThunk
0x00007ff83ed6ad6c (ntdll) RtlUserThreadStart

I also sometimes get this error during start:

1:

System.NullReferenceException: Object reference not set to an instance of an object
This Exception was thrown from a job compiled with Burst, which has limited exception support.
0x00007ffee06240de (ntdll) KiUserExceptionDispatcher
0x00007ffdb5d7758a (7a4912c519fbe9640554d4e85cd9a88) Unity.Collections.LowLevel.Unsafe.UnsafeList`1<ushort>.get_Item (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/Library/PackageCache/com.unity.collections@84e8eb3fc12e/Unity.Collections/UnsafeList.cs:134)
0x00007ffdb5d77ba6 (7a4912c519fbe9640554d4e85cd9a88) Unity.Collections.NativeList`1<ushort>.get_Item (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/Library/PackageCache/com.unity.collections@84e8eb3fc12e/Unity.Collections/NativeList.cs:156)
0x00007ffdb5d73a71 (7a4912c519fbe9640554d4e85cd9a88) Pathfinding.Graphs.Navmesh.Voxelization.Burst.JobBuildRegions.Execute (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/Packages/com.arongranberg.astar/Graphs/Navmesh/Voxels/VoxelRegion.cs:225)
0x00007ffdb5de5387 (7a4912c519fbe9640554d4e85cd9a88) Pathfinding.Graphs.Navmesh.Jobs.JobBuildTileMeshFromVoxels.Execute (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/Packages/com.arongranberg.astar/Graphs/Navmesh/Jobs/JobBuildTileMeshFromVoxels.cs:217)
0x00007ffdb5dee8fb (7a4912c519fbe9640554d4e85cd9a88) Unity.Jobs.IJobExtensions.JobStruct`1<Pathfinding.Graphs.Navmesh.Jobs.JobBuildTileMeshFromVoxels>.Execute(ref Pathfinding.Graphs.Navmesh.Jobs.JobBuildTileMeshFromVoxels data, System.IntPtr additionalPtr, System.IntPtr bufferRangePatchData, ref Unity.Jobs.LowLevel.Unsafe.JobRanges ranges, int jobIndex) -> void_792facd93f1a1e09f232340a4773f34a from UnityEngine.CoreModule, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/unknown/unknown:0)
0x00007ffdb5de4087 (7a4912c519fbe9640554d4e85cd9a88) c7bd43dad8afab74e2910a0eea3eeaf4
0x00007ffd9dec4fa6 (Unity) ExecuteJob
0x00007ffd9dec605d (Unity) ForwardJobToManaged
0x00007ffd9dec1381 (Unity) ujob_execute_job
0x00007ffd9dec087b (Unity) lane_guts
0x00007ffd9dec4339 (Unity) worker_thread_routine
0x00007ffd9f06b930 (Unity) Thread::RunThreadWrapper
0x00007ffedecbe957 (KERNEL32) BaseThreadInitThunk
0x00007ffee056ad6c (ntdll) RtlUserThreadStart

2:

System.IndexOutOfRangeException: 
This Exception was thrown from a job compiled with Burst, which has limited exception support.
0x00007ffd9dec88bb (Unity) burst_abort
0x00007ffdb5e3b944 (7a4912c519fbe9640554d4e85cd9a88) burst_Abort_Trampoline
0x00007ffdb5dd2942 (7a4912c519fbe9640554d4e85cd9a88) Pathfinding.Collections.UnsafeSpan`1<Pathfinding.Graphs.Navmesh.Voxelization.Burst.LinkedVoxelSpan>.get_Item (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/Packages/com.arongranberg.astar/Core/Collections/Span.cs:95)
0x00007ffdb5dd2e40 (7a4912c519fbe9640554d4e85cd9a88) Pathfinding.Graphs.Navmesh.Voxelization.Burst.JobFilterLedges.Execute (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/Packages/com.arongranberg.astar/Graphs/Navmesh/Voxels/VoxelRasterization.cs:420)
0x00007ffdb5de4c36 (7a4912c519fbe9640554d4e85cd9a88) Pathfinding.Graphs.Navmesh.Jobs.JobBuildTileMeshFromVoxels.Execute (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/Packages/com.arongranberg.astar/Graphs/Navmesh/Jobs/JobBuildTileMeshFromVoxels.cs:171)
0x00007ffdb5dee8fb (7a4912c519fbe9640554d4e85cd9a88) Unity.Jobs.IJobExtensions.JobStruct`1<Pathfinding.Graphs.Navmesh.Jobs.JobBuildTileMeshFromVoxels>.Execute(ref Pathfinding.Graphs.Navmesh.Jobs.JobBuildTileMeshFromVoxels data, System.IntPtr additionalPtr, System.IntPtr bufferRangePatchData, ref Unity.Jobs.LowLevel.Unsafe.JobRanges ranges, int jobIndex) -> void_792facd93f1a1e09f232340a4773f34a from UnityEngine.CoreModule, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/unknown/unknown:0)
0x00007ffdb5de4087 (7a4912c519fbe9640554d4e85cd9a88) c7bd43dad8afab74e2910a0eea3eeaf4
0x00007ffd9dec4fa6 (Unity) ExecuteJob
0x00007ffd9dec605d (Unity) ForwardJobToManaged
0x00007ffd9dec1381 (Unity) ujob_execute_job
0x00007ffd9dec087b (Unity) lane_guts
0x00007ffd9dec4339 (Unity) worker_thread_routine
0x00007ffd9f06b930 (Unity) Thread::RunThreadWrapper
0x00007ffedecbe957 (KERNEL32) BaseThreadInitThunk
0x00007ffee056ad6c (ntdll) RtlUserThreadStart

3:

System::InvalidOperationException: The UNKNOWN_OBJECT_TYPE has been declared as [WriteOnly] in the job, but you are reading from it.
This Exception was thrown from a job compiled with Burst, which has limited exception support.
0x00007ffd9dec88bb (Unity) burst_abort
0x00007ffd9e093105 (Unity) scripting_raise_exception
0x00007ffd9d63c280 (Unity) AtomicSafetyHandle_CUSTOM_CheckReadAndThrowNoEarlyOut
0x00007ffdb5d14609 (7a4912c519fbe9640554d4e85cd9a88) Unity.Collections.LowLevel.Unsafe.AtomicSafetyHandle.CheckReadAndThrowNoEarlyOut (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/unknown/unknown:0)
0x00007ffdb5d145b0 (7a4912c519fbe9640554d4e85cd9a88) Unity.Collections.LowLevel.Unsafe.AtomicSafetyHandle.CheckReadAndThrow (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/unknown/unknown:0)
0x00007ffdb5d1fcb1 (7a4912c519fbe9640554d4e85cd9a88) Unity.Collections.NativeArray`1<int>.CheckElementReadAccess (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/unknown/unknown:0)
0x00007ffdb5d20136 (7a4912c519fbe9640554d4e85cd9a88) Unity.Collections.NativeArray`1<int>.get_Item (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/unknown/unknown:0)
0x00007ffdb5d77167 (7a4912c519fbe9640554d4e85cd9a88) Pathfinding.Graphs.Navmesh.Voxelization.Burst.JobBuildRegions.union_find_find (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/Packages/com.arongranberg.astar/Graphs/Navmesh/Voxels/VoxelRegion.cs:393)
0x00007ffdb5d7629d (7a4912c519fbe9640554d4e85cd9a88) Pathfinding.Graphs.Navmesh.Voxelization.Burst.JobBuildRegions.FilterSmallRegions (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/Packages/com.arongranberg.astar/Graphs/Navmesh/Voxels/VoxelRegion.cs:543)
0x00007ffdb5d751aa (7a4912c519fbe9640554d4e85cd9a88) Pathfinding.Graphs.Navmesh.Voxelization.Burst.JobBuildRegions.Execute (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/Packages/com.arongranberg.astar/Graphs/Navmesh/Voxels/VoxelRegion.cs:346)
0x00007ffdb5de5387 (7a4912c519fbe9640554d4e85cd9a88) Pathfinding.Graphs.Navmesh.Jobs.JobBuildTileMeshFromVoxels.Execute (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/Packages/com.arongranberg.astar/Graphs/Navmesh/Jobs/JobBuildTileMeshFromVoxels.cs:217)
0x00007ffdb5dee8fb (7a4912c519fbe9640554d4e85cd9a88) Unity.Jobs.IJobExtensions.JobStruct`1<Pathfinding.Graphs.Navmesh.Jobs.JobBuildTileMeshFromVoxels>.Execute(ref Pathfinding.Graphs.Navmesh.Jobs.JobBuildTileMeshFromVoxels data, System.IntPtr additionalPtr, System.IntPtr bufferRangePatchData, ref Unity.Jobs.LowLevel.Unsafe.JobRanges ranges, int jobIndex) -> void_792facd93f1a1e09f232340a4773f34a from UnityEngine.CoreModule, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/unknown/unknown:0)
0x00007ffdb5de4087 (7a4912c519fbe9640554d4e85cd9a88) c7bd43dad8afab74e2910a0eea3eeaf4
0x00007ffd9dec4fa6 (Unity) ExecuteJob
0x00007ffd9dec605d (Unity) ForwardJobToManaged
0x00007ffd9dec1381 (Unity) ujob_execute_job
0x00007ffd9dec087b (Unity) lane_guts
0x00007ffd9dec4339 (Unity) worker_thread_routine
0x00007ffd9f06b930 (Unity) Thread::RunThreadWrapper
0x00007ffedecbe957 (KERNEL32) BaseThreadInitThunk
0x00007ffee056ad6c (ntdll) RtlUserThreadStart

4:

System.IndexOutOfRangeException: 
This Exception was thrown from a job compiled with Burst, which has limited exception support.
0x00007ffd9dec88bb (Unity) burst_abort
0x00007ffdb5e3b944 (7a4912c519fbe9640554d4e85cd9a88) burst_Abort_Trampoline
0x00007ffdb5dd2942 (7a4912c519fbe9640554d4e85cd9a88) Pathfinding.Collections.UnsafeSpan`1<Pathfinding.Graphs.Navmesh.Voxelization.Burst.LinkedVoxelSpan>.get_Item (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/Packages/com.arongranberg.astar/Core/Collections/Span.cs:95)
0x00007ffdb5dd2c48 (7a4912c519fbe9640554d4e85cd9a88) Pathfinding.Graphs.Navmesh.Voxelization.Burst.JobFilterLedges.Execute (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/Packages/com.arongranberg.astar/Graphs/Navmesh/Voxels/VoxelRasterization.cs:464)
0x00007ffdb5de4c36 (7a4912c519fbe9640554d4e85cd9a88) Pathfinding.Graphs.Navmesh.Jobs.JobBuildTileMeshFromVoxels.Execute (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/Packages/com.arongranberg.astar/Graphs/Navmesh/Jobs/JobBuildTileMeshFromVoxels.cs:171)
0x00007ffdb5dee8fb (7a4912c519fbe9640554d4e85cd9a88) Unity.Jobs.IJobExtensions.JobStruct`1<Pathfinding.Graphs.Navmesh.Jobs.JobBuildTileMeshFromVoxels>.Execute(ref Pathfinding.Graphs.Navmesh.Jobs.JobBuildTileMeshFromVoxels data, System.IntPtr additionalPtr, System.IntPtr bufferRangePatchData, ref Unity.Jobs.LowLevel.Unsafe.JobRanges ranges, int jobIndex) -> void_792facd93f1a1e09f232340a4773f34a from UnityEngine.CoreModule, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/unknown/unknown:0)
0x00007ffdb5de4087 (7a4912c519fbe9640554d4e85cd9a88) c7bd43dad8afab74e2910a0eea3eeaf4
0x00007ffd9dec4fa6 (Unity) ExecuteJob
0x00007ffd9dec605d (Unity) ForwardJobToManaged
0x00007ffd9dec1381 (Unity) ujob_execute_job
0x00007ffd9dec087b (Unity) lane_guts
0x00007ffd9dec4339 (Unity) worker_thread_routine
0x00007ffd9f06b930 (Unity) Thread::RunThreadWrapper
0x00007ffedecbe957 (KERNEL32) BaseThreadInitThunk
0x00007ffee056ad6c (ntdll) RtlUserThreadStart

What I did:

Start a new project.
Add ‘AStarPath’ Component to a new empty gameobject
Add ‘RVO Simulator’ component
Add ‘Recast Graph’
Press ‘Snap bounds to scene’
Press ‘Scan’ x2

You should now see the error posted below:

System::InvalidOperationException: The UNKNOWN_OBJECT_TYPE has been declared as [WriteOnly] in the job, but you are reading from it.
This Exception was thrown from a job compiled with Burst, which has limited exception support.
0x00007ffd9dec88bb (Unity) burst_abort
0x00007ffd9e093105 (Unity) scripting_raise_exception
0x00007ffd9d63c280 (Unity) AtomicSafetyHandle_CUSTOM_CheckReadAndThrowNoEarlyOut
0x00007ffdb5d14609 (7a4912c519fbe9640554d4e85cd9a88) Unity.Collections.LowLevel.Unsafe.AtomicSafetyHandle.CheckReadAndThrowNoEarlyOut (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/unknown/unknown:0)
0x00007ffdb5d145b0 (7a4912c519fbe9640554d4e85cd9a88) Unity.Collections.LowLevel.Unsafe.AtomicSafetyHandle.CheckReadAndThrow (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/unknown/unknown:0)
0x00007ffdb5d203a1 (7a4912c519fbe9640554d4e85cd9a88) Unity.Collections.NativeArray`1<ushort>.CheckElementReadAccess (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/unknown/unknown:0)
0x00007ffdb5d20a15 (7a4912c519fbe9640554d4e85cd9a88) Unity.Collections.NativeArray`1<ushort>.get_Item (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/unknown/unknown:0)
0x00007ffdb5d716d6 (7a4912c519fbe9640554d4e85cd9a88) Pathfinding.Graphs.Navmesh.Voxelization.Burst.VoxelUtilityBurst.BoxBlur (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/Packages/com.arongranberg.astar/Graphs/Navmesh/Voxels/VoxelRegion.cs:789)
0x00007ffdb5d713c8 (7a4912c519fbe9640554d4e85cd9a88) Pathfinding.Graphs.Navmesh.Voxelization.Burst.JobBuildDistanceField.Execute (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/Packages/com.arongranberg.astar/Graphs/Navmesh/Voxels/VoxelRasterization.cs:368)
0x00007ffdb5de5147 (7a4912c519fbe9640554d4e85cd9a88) Pathfinding.Graphs.Navmesh.Jobs.JobBuildTileMeshFromVoxels.Execute (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/Packages/com.arongranberg.astar/Graphs/Navmesh/Jobs/JobBuildTileMeshFromVoxels.cs:210)
0x00007ffdb5dee8fb (7a4912c519fbe9640554d4e85cd9a88) Unity.Jobs.IJobExtensions.JobStruct`1<Pathfinding.Graphs.Navmesh.Jobs.JobBuildTileMeshFromVoxels>.Execute(ref Pathfinding.Graphs.Navmesh.Jobs.JobBuildTileMeshFromVoxels data, System.IntPtr additionalPtr, System.IntPtr bufferRangePatchData, ref Unity.Jobs.LowLevel.Unsafe.JobRanges ranges, int jobIndex) -> void_792facd93f1a1e09f232340a4773f34a from UnityEngine.CoreModule, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null (at F:/Unity Projects/[REDACTED]/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/unknown/unknown:0)
0x00007ffdb5de4087 (7a4912c519fbe9640554d4e85cd9a88) c7bd43dad8afab74e2910a0eea3eeaf4
0x00007ffd9dec4fa6 (Unity) ExecuteJob
0x00007ffd9dec605d (Unity) ForwardJobToManaged
0x00007ffd9dec1381 (Unity) ujob_execute_job
0x00007ffd9dec087b (Unity) lane_guts
0x00007ffd9dec4339 (Unity) worker_thread_routine
0x00007ffd9f06b930 (Unity) Thread::RunThreadWrapper
0x00007ffedecbe957 (KERNEL32) BaseThreadInitThunk
0x00007ffee056ad6c (ntdll) RtlUserThreadStart

tealtxgr · August 6, 2026, 10:12pm

Check that your current versions of the Burst package is up to date. You can also check the other packages listed as requirements by the Astar package. If that doesn’t help, list what versions of those packages you’re running and I’ll take a look.

Winters · August 7, 2026, 11:23am

Fresh project, still the same thing:

System.NullReferenceException: Object reference not set to an instance of an object
This Exception was thrown from a job compiled with Burst, which has limited exception support.
0x00007ff9425840de (ntdll) KiUserExceptionDispatcher
0x00007ff832ef464a (d7c1837418fe77dc5a36d4fc926fbfc) Unity.Collections.LowLevel.Unsafe.AtomicSafetyHandle.CheckWriteAndThrow (at F:/Unity Projects/ExplosiveNightmares/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/unknown/unknown:0)
0x00007ff832f4ea6d (d7c1837418fe77dc5a36d4fc926fbfc) Unity.Collections.NativeList`1<Pathfinding.Graphs.Navmesh.Voxelization.Burst.LinkedVoxelSpan>.set_Item (at F:/Unity Projects/ExplosiveNightmares/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/Library/PackageCache/com.unity.collections@84e8eb3fc12e/Unity.Collections/NativeList.cs:165)
0x00007ff832f9e68b (d7c1837418fe77dc5a36d4fc926fbfc) Pathfinding.Graphs.Navmesh.Voxelization.Burst.LinkedVoxelField.AddLinkedSpan (at F:/Unity Projects/ExplosiveNightmares/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/Packages/com.arongranberg.astar/Graphs/Navmesh/Voxels/LinkedVoxelField.cs:161)
0x00007ff832f9dced (d7c1837418fe77dc5a36d4fc926fbfc) Pathfinding.Graphs.Navmesh.Voxelization.Burst.JobVoxelize.Execute (at F:/Unity Projects/ExplosiveNightmares/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/Packages/com.arongranberg.astar/Graphs/Navmesh/Voxels/VoxelRasterization.cs:250)
0x00007ff832fc4ab2 (d7c1837418fe77dc5a36d4fc926fbfc) Pathfinding.Graphs.Navmesh.Jobs.JobBuildTileMeshFromVoxels.Execute (at F:/Unity Projects/ExplosiveNightmares/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/Packages/com.arongranberg.astar/Graphs/Navmesh/Jobs/JobBuildTileMeshFromVoxels.cs:153)
0x00007ff832fce8fb (d7c1837418fe77dc5a36d4fc926fbfc) Unity.Jobs.IJobExtensions.JobStruct`1<Pathfinding.Graphs.Navmesh.Jobs.JobBuildTileMeshFromVoxels>.Execute(ref Pathfinding.Graphs.Navmesh.Jobs.JobBuildTileMeshFromVoxels data, System.IntPtr additionalPtr, System.IntPtr bufferRangePatchData, ref Unity.Jobs.LowLevel.Unsafe.JobRanges ranges, int jobIndex) -> void_792facd93f1a1e09f232340a4773f34a from UnityEngine.CoreModule, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null (at F:/Unity Projects/ExplosiveNightmares/Library/PackageCache/com.unity.burst@2f3d916873ea/.Runtime/unknown/unknown:0)
0x00007ff832fc4087 (d7c1837418fe77dc5a36d4fc926fbfc) c7bd43dad8afab74e2910a0eea3eeaf4
0x00007ff805314fa6 (Unity) ExecuteJob
0x00007ff80531605d (Unity) ForwardJobToManaged
0x00007ff805311381 (Unity) ujob_execute_job
0x00007ff80531087b (Unity) lane_guts
0x00007ff805314339 (Unity) worker_thread_routine
0x00007ff8064bb930 (Unity) Thread::RunThreadWrapper
0x00007ff941f8e957 (KERNEL32) BaseThreadInitThunk
0x00007ff9424cad6c (ntdll) RtlUserThreadStart

Randomly happens at runtime during the start.

Packages:

{
  "dependencies": {
    "com.unity.ai.navigation": "2.0.14",
    "com.unity.collab-proxy": "2.12.4",
    "com.unity.entities": "1.4.8",
    "com.unity.ide.rider": "3.0.40",
    "com.unity.ide.visualstudio": "2.0.26",
    "com.unity.inputsystem": "1.20.0",
    "com.unity.multiplayer.center": "1.0.1",
    "com.unity.probuilder": "6.1.2",
    "com.unity.render-pipelines.universal": "17.3.0",
    "com.unity.shadergraph": "17.3.0",
    "com.unity.test-framework": "1.6.0",
    "com.unity.timeline": "1.8.12",
    "com.unity.ugui": "2.0.0",
    "com.unity.visualscripting": "1.9.12",
    "com.unity.modules.accessibility": "1.0.0",
    "com.unity.modules.adaptiveperformance": "1.0.0",
    "com.unity.modules.ai": "1.0.0",
    "com.unity.modules.androidjni": "1.0.0",
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  }
}

Burst version: 1.8.30

Dependencies used by A* Pathfinding Project:

Plane in question has the scale X: 50, Y: 1, Z: 50

Seems to be caused by a too large world

Winters · August 7, 2026, 3:49pm

Had updated my earlier message. I had started a fresh project and still got the same error unfortunately.

tealtxgr · August 10, 2026, 9:51pm

I tried this with a default Unity plane scaled to 50x1x50 but I’m not seeing any of the errors. What version of Collections do you have running?

Winters · August 12, 2026, 2:30pm

I use Collections version 2.6.8 (July 16, 2026)

tealtxgr · August 12, 2026, 7:39pm

And this is the plane you used? If it is, can you send over a repro project?

aron_granberg · August 26, 2026, 12:43pm

I have tried replicating this in various versions of Unity. But unfortunately I have not been able to

Winters · August 31, 2026, 5:44pm

Hi!

Apologies for the delay, I have made a reproduce sample project (does not include any paid packages), where would I upload it? Your upload form does not seem to support *.zip files.

How to start

Unzip project
Load project into Unity
Install ‘A* Pathfinding Project’
Open ‘SampleScene’
Select ‘AStar’ gameobject in the hierarchy

Press ‘Scan’ - You should now see an error (if not, click more times).
It will also sometimes give you an error upon start of the game (playmode).

tealtxgr · August 31, 2026, 7:44pm

Pretty much any reputable cloud storage is preferred- Google Drive, Dropbox, etc.

Winters · September 1, 2026, 8:11am

tealtxgr · September 2, 2026, 6:13pm

I sadly also did not see the errors on my end. Can you provide us some information about your system environement?

Winters · September 2, 2026, 7:25pm

Windows 11 Pro (25H2 - 26200.9168)
13th Gen Intel(R) Core™ i9-13900K - RAM: 64 GB
NVIDIA GeForce RTX 4090 - VRAM: 24 GB

Nvidia Driver: 610.47

Anything else you’d want me to provide?

tealtxgr · September 8, 2026, 5:20pm

I tried updating my drivers to 616.64 just to see if that may be part of the issue since I was on 594.?? or so. I still am not seeing it on my end. When Aron has the availability he can take a look at this and advise on troubleshooting steps to look into In the meantime if you find anything that may look related be sure to let me know and I’ll follow up on it.