Final Cut Pro 3.0.2: Can‘t Set Keyframes in Video Tab of Viewer

Final Cut Pro 3.0.2 introduced an issue where keyframes cannot be set in the Video tab of the Viewer window.
Symptom

Clicking Keyframe or pressing Control-K has no effect.


Solution

Add the keyframe from the Motion tab of the Viewer window.
Published Date: Feb 18, 2012