Steps to reproduce:
1. Create new Unity project
2. In Hierarchy window create Cube GO (3D Object > Cube)
3. Drag Cube GO to Project window to create a Cube Prefab
4. In Hierarchy press on “>” to open Cube Prefab Asset in context
5. Close Editor
6. In “Scene(s) Have Been Modified” pop-up press “Don’t Save”
7. Observe Editor  

Actual results: Fatal Error “GetManagerFromContext: pointer to object of manager ‘MonoManager’ is NULL (table index 5)” is thrown and Editor crash on “mono_jit_runtime_invoke”
Expected results: Editor should not crash or throw fatal errors

Reproducible with versions: 6000.3.0a2 (d454866889d5), 6000.3.0b3
Not reproducible with versions: 6000.3.0a1 (4592b02ab560)

Tested on (OS): macOS Silicon, Sequoia 15.6 (M1)