ArgumentNullException error is thrown on removing camera component from Camera prefab.

Steps to repro:
1. Create a new URP Project.
2. Create a prefab of the Main Camera.
3. Project window > Main Camera prefab > Remove Camera Component.
4. Repeat step 3.

Actual Result:
ArgumentNullException error is thrown in the console.

Expected Result:
No error in the console.

Reproducible in:
2020.2.0a10, 2020.1.0b8, 2019.3.0f3 with Package Version: 9.0.0, 8.1.0, 8.0.1, 7.1.8.

Environment:
Occurring only on Windows 10.