Nullref in Unity.Entities.AttachToEntityClonerInjection.InstantiateCompanionComponentDelegate

Unity Engine
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1

In Android builds, I sometimes see this error:

NullReferenceException: Object reference not set to an instance of an object.
at Unity.Entities.AttachToEntityClonerInjection.InstantiateCompanionComponentDelegate (System.Int32* srcArray, System.Int32 componentCount, Unity.Entities.Entity* dstEntities, System.Int32* dstCompanionLinkIndices, System.Int32* dstComponentLinkIds, System.Int32* dstArray, System.Int32 instanceCount, Unity.Entities.ManagedComponentStore managedComponentStore) [0x00000] in <00000000000000000000000000000000>:0
at Unity.Entities.ManagedComponentStore.Playback (Unity.Entities.ManagedDeferredCommands& managedDeferredCommands) [0x00000] in <00000000000000000000000000000000>:0
at Unity.Entities.EntityDataAccess.PlaybackManagedChanges () [0x00000] in <00000000000000000000000000000000>:0
at Unity.Entities.EntityDataAccess.EndStructuralChanges (Unity.Entities.EntityComponentStore+ArchetypeChanges& changes) [0x00000] in <00000000000000000000000000000000>:0
at Unity.Entities.EntityCommandBuffer.PlaybackInternal (Unity.Entities.En

I have absolutely no idea why this is throwing a nullref exception. There’s no documentation on AttachToEntityClonerInjection.

Any help or pointers would be appreciated.

2

Nevermind, following https://forum.unity.com/threads/bug-with-hybrid-entities-and-disabled-children-in-instantiatecompanioncomponentdelegate.1392715/ I discovered that a baked entity had a child particle system in, which apprently doesn’t play nice in Android builds.