NullReferenceException error is displayed in the console on adding CinemachineFreeLook component to a Gameobject.
Refer to the attached Video.

Steps to Reproduce:
1. Create a new Project.
2. Windows > Package Manager > Install Cinemachine package 2.5.0
3. Hierarchy > Right-click > Create Empty
4. Add CinemachineFreeLook component to the GameObject.

Actual Result:
NullReferenceException error is thrown in the console.

Expected Result:
No error should be present in the console

Occurring in Package Version: 2.5.0, 2.4.0

Working in Package Version: 2.3.4, 2.3.3

Tested using Unity Version:
2020.1.0a22, 2020.1.0a20, 2020.1.0a1, 2019.3.0f6

Environment:
Windows 10 & Mac 10.14