focus bracketing

Any idea why the Crop Depth Comp option is greyed out? Focus Bracketing is Enabled, I'm AF mode and no flash. By default, it's set to Enable, which is fine, but I'm curious why I can't access that option. I've looked at the manual and online but haven't come up with an answer.

Putting my R5 through the paces with Focus Bracketing. Some 2871 individual focus bracketed photos went into creating this. Shot with Canon 5R, 200mm lens, f/13, 1/125th sec., 400 ISO. Full details here: https://abbascreationsphotography.com/SS_Chevelle.htm

A week ago I took my gear (R5, RF100mm, lightweight tripod, remote controller) to the local botanical garden in order to explore and learn about focus bracketing. I have been using ACDSee (currently Ultimate 2022) as my favorite (and unique) photo editor for as long as I can remember. Here I...