The contents of the Rotation panel was already disabled when a bake exists, but the checkbox in the header wasn't. Since rotations are part of the baked data, it doesn't make sense to enable/disable rotations after baking.
The contents of the Rotation panel was already disabled when a bake exists, but the checkbox in the header wasn't. Since rotations are part of the baked data, it doesn't make sense to enable/disable rotations after baking.