Assertion failed exception is thrown on undoing after clicking on Create Range button.

Steps to repro:
1. Create a new project.
2. Project Window > Click on "+" > 2D > SpriteShape.
3. Select SpriteShape > Inspector > Reset > Click on "Create Reange Button".
4. Press "CTRL +Z".

Actual Result:
Assertion failed error in the console.

Expected Result:
No error in the console.

Reproducible in:
2020.2.0b1 with Package Version 5.0.1.

Note: "Create Range" button is available from Package Version 5.0.1.

Environment:
Occurring on Windows 10 & Mac 10.15.

Stacktrace:
Assertion failed
UnityEditor.EditorApplication:Internal_CallGlobalEventHandler ()