Undefined symbol

[punchedtape]

filetree-update-buffer: Symbol’s value as variable is void: text-scale-mode-amount

In filetree.el:
;;(defvar text-scale-mode-amount 0)

[knpatel401]

Thanks for reporting this. I believe I missed requiring the face-remap package.
Can you please try the latest commit (on master) ccbeae9a to see if it resolves the issue for you?
Thanks!
Ketan