How to reproduce:
1. Open the attached “IN-124707” project
2. Navigate to Assets > CartoonTracksPack1 > Track1 > Prefabs > Props
3. Delete the “prop_exitlights“ Prefab
4. Observe the crash

Reproducible with: 2022.1.22f1, 2022.3.62f1, 2022.3.62f3
Fixed in: 2022.3.63f1
Not reproducible with: 2022.3.69f1, 6000.0.63f1, 6000.2.15f1, 6000.3.0f1, 6000.4.0b1, 6000.5.0a3

Reproduced on: Windows 11
Not reproduced on: No other environment tested

First few lines of the stack trace:
0x00007ff7a87218d6 (Unity) IterateTypeTreeEx<IterateTypeTreeFunctorAdaptor<CollectExternalReferenceFunctor>
0x00007ff7a87218d6 (Unity) IterateTypeTreeEx<IterateTypeTreeFunctorAdaptor<CollectExternalReferenceFunctor> >
0x00007ff7a87218d6 (Unity) IterateTypeTreeEx<IterateTypeTreeFunctorAdaptor<CollectExternalReferenceFunctor> 0x00007ff7a8721f6e (Unity) EditorMaterialUtilityBindings::GetMaterialParentFromFile