I'm trying to make a double piston extender vertically and the bottom one won't extend if there is a piston on top of it.  Not sure why this isn't working, because I have another piston-based machine and it works just fine as of today.  This world is on a realm.  My clips are too long for upload so below are google drive links to the files.

Vertical Piston Extender Not Working:

https://drive.google.com/file/d/1F_HN0-uR-xGqRmkKEbDy4SshLoAfW9X7/view?usp=sharing

Drop Down Piston Doors Working:

https://drive.google.com/file/d/1l-m1FSlQS-4pEfEFtuSnDeSnTbVkattc/view?usp=sharing