What do you need ?
Schematic is here :
https://forum.pedalpcb.com/threads/flock-harmonizing-fuzz-getting-feedback-squeal.15507/#post-220776
BOM is here :
https://forum.pedalpcb.com/threads/flock-harmonizing-fuzz-arriving-soon.12772/page-2#post-142314
I'm sure that if i spent another 2min with...
It's 22M on the service manual schematic.
dodfx76 schematic
You could use a couple of 10M in series if you have them, or try other values and see if it's that big a deal.