How to reproduce:
1. Open the attached "Cuirassiers.zip" project
2. Open "Development" Scene
3. Enter the Play mode
4. Press Tab to start the game
5. Wait for 10-20 seconds -> look at the Console Window

Expected results: No errors are spammed after spawning multiple network ghosts
Actual results: "InvalidOperationException: Received a ghost with an invalid ghost type" error spammed after spawning multiple network ghosts

Reproducible with: 2020.2.0a20 (0.2.0-preview.5)

Notes:
- Could not test on Netcode package versions lower than 0.2.0-preview.5 and Unity versions lower than 2020.2, because of project Package dependencies breaking without possibility to fix them