You cannot set, delete, move, or otherwise modify keyframes on a locked layer. Locking a layer is useful when you want to avoid overwriting its animation while you set keyframes on other layers.
See Muting, Soloing, and Locking animation layers and Animation Layer buttons.
Except where otherwise noted, this work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
