Due to concerns about introducing instabilities into the product, we're unable to resolve the issue as requested.
How to reproduce:
1. Open the attached project “TestDisableTypeTreeAndTypeHash1.zip“
2. Click Tools/Clean Build Cache
3. Click Tools/Build
4. Uncomment the code at line 8 in Assets/Item.cs
5. Click Tools/Build
6. Open 'SampleScene.unity'
7. Enter Play Mode and observe the Console window
Expected result: There is no error in Console window and the scene bundle is loaded
Actual result:There are errors in Console window and the scene bundle is not loaded