Dedicated Server crashes when harvesting underwater plants

Game mode: Online private
Type of issue: Crash
Server type: PvE
Region: NA
Mods?: No

Bug Description:

There seems to be a critical failure related to the underwater plant life. This issue seems to only affect the Windows server, the bug can not be replicated on a single player world. Any attempts to harvest underwater plants will cause the windows server to crash and rollback. Attempting to build foundations on top of the underwater plants will cause the server to crash on every single startup.

=== Critical error: ===
Fatal error: [File:c:\REPO\Engine\Source\Runtime\Engine\Private\HierarchicalInstancedStaticMesh.cpp] [Line: 2295] 
Invalid InstanceReoderTable Index 1518 of 0 elements in UHierarchicalInstancedStaticMeshComponent component 'PickupFoliageComponent_C_3' of actor '/Game/DLC_EXT/DLC_Siptah/Maps/Heightmap/heightmap_x6_y5.heightmap_x6_y5:PersistentLevel.InstancedFoliageActor_1'

Expected Behavior:

Harvesting or Building on underwater plants should not crash the server.

Steps to Reproduce:

On the Isle of Siptah map on the island in the top right corner is where I have been testing this crash, I have tried multiple different lakes and rivers on this island with the same result.

1 Like

Hi @Magi1053 and thank you for bringing this to our attention.

We’ve passed this information over to the rest of the team for further investigation.

1 Like

Hi @Magi1053

Could you please provide us with some additional information about this crash?
What plants did you try to harvest? Can you provide us with some coordinates or a screenshot of the map pointing to this location?
We’ve upgraded the permissions on your account so you should be able to upload screenshots.

Thank you for helping us in this investigation.

Location(X,Y,Z): 268,347 -99,395 -18,781

1 Like

Thank you so much @Magi1053 for this additional information.

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