Help! The new Unreal camera shake blueprint (MatineeCameraShake) as of 4.26 refuses to edit :-)

I create one of the newfangled MatineeCameraShake blueprints... then I can never edit it again. What am I doing wrong? :-)

[@zy-blade]

You didn't compile. Left upper button.

[@user-fh2tl4xj6n]

Did you fixed it? If yes how?