Crash on VFXBatch::AddInstance when switching to Custom Batch Capacity in Asset Inspector

How to reproduce:

1. Create a new VFX (reproduced in URP and HDRP)
2. Select it in Project Browser
3. In opened Asset Inspector change Instancing Mode from Automatic Batch Capacity to Custom Batch Capacity
4. Observe Editor doing this ->  

 

Notes: Reproduced on macOS M1

Callstack - 

#0 0x00000103da6808 in VFXBatch::AddInstance()

#1 0x00000103da070c in VFXBatchedEffect::AddInstance(VFXBatchedEffect::BatchInstanceDesc const&)

#2 0x00000103dcba04 in VisualEffect::CreateData()

#3 0x00000103dcb4a4 in VisualEffect::OnVisualEffectAssetChanged(VFXAssetNotifyReasonFlag)

#4 0x00000103db5c0c in VFXManager::NotifyModifyVisualEffect(VisualEffectAsset*, VFXAssetNotifyReasonFlag)

#5 0x0000010360c820 in AwakeFromLoadQueue::InvokeAwakeFromLoad(AwakeFromLoadQueue::Item*, unsigned int, AwakeFromLoadMode)

#6 0x0000010360c5a8 in AwakeFromLoadQueue::AwakeFromLoadAllQueues(AwakeFromLoadMode, bool)

#7 0x000001045ea450 in SerializedObject::ApplyModifiedPropertiesWithoutUndo()

#8 0x00000102c671d8 in SerializedObject_CUSTOM_ApplyModifiedProperties(void*)