How to reproduce:
1. Download and open the attached project "1167570.zip"
2. Open the Entity Debugger, Inspector and Console windows
3. Start Play mode
4. Select Entity 0 in the Entity Debugger window
5. Observe the Entity in the Inspector window

Expected result: Entity has its Components displayed in the Inspector
Actual result: Entity does not have its Components displayed and an endless stream of Console errors is thrown

Reproducible with Unity versions: 2019.1.9f1, 2019.2.0b9, 2019.3.0a8
Reproducible with package versions: preview.32 - 0.0.12, preview.33 - 0.0.12
Not reproducible with package versions: preview.30 - 0.0.12

Notes:
Entity package version preview.31 - 0.0.12 is not available until Unity versions 2019.1.0f1 and 2019.2.0a7.
Using an Array of Objects or Structs in a Shared Component will result in an additional IndexOutOfRange Error being thrown.