when a new project is created then in Profiler on opening Profile Module Editor window and adding new profiler modules errors are thrown in the console. Refer attached video.

Steps to Repro:
1. Create a new Project.
2. Window > Analysis > Profiler
3. Open Profiler Module dropdown
4. Click on the Setting icon > Add > Add any available counters

Expected Result: No errors should be thrown on opening the Profile Module Editor window

Actual Result: Errors are thrown on opening the Profile Module Editor window

Reproducible in: 2021.2.0a20

Working Fine in:
2021.2.0a19, 2021.2.0a1, 2021.1.10f1, 2020.3.12f1

Environment: Windows 10 & macOS 10.15

Note: On opening a new project the first time when Profile Module Editor window gets opened that time errors get thrown.

Stack Trace:
Trying to read the value of type Dimension while reading a value of type CommaSeparator
UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&) (at /Users/bokken/buildslave/unity/build/Modules/IMGUI/GUIUtility.cs:189)