Continuous Null Reference Exceptions encountered in console and the remaining tabs disappear on opening the 'General' tab of a URP pipeline asset in the inspector after installing URP package into a 3D project.
Refer to the attached Video.

Steps to Reproduce:
1. Create a New 3D Project
2. Package Manager > URP > Install
3. Project > Rightclick > Create > Rendering > URP Asset
4. URP Asset > Inspector > General

Actual Result:
Continuous Null Reference Exception in the console and all other tabs except 'General' disappear

Expected Result:
No errors on opening the 'General' tab and the other tabs remain visible

Reproducible with:
2021.1.0b1 with URP 11.0.0

Working fine in:
2021.1.0a9 with URP 10.2.2

Workaround:
Assign URP Asset in Graphics Settings as the pipeline in use

Environment:
Windows 10 and macOS 10.15