To reproduce:
1. Open attached project
2. Open SampleScene
3. Enter Play Mode
4. Leave Play Mode
Reproducible with: 2017.4.24f1, 2018.3.10f1, 2019.1.0b8, 2019.2.0a9
Actual results: error is present:
Destroying object multiple times. Don't use DestroyImmediate on the same object in OnDisable or OnDestroy.
UnityEngine.Object:DestroyImmediate(Object)
DetachAndDestroy:OnDestroy() (at Assets/DetachAndDestroy.cs:11)