Shulkerbox restock not working

[Flemming12]

trafficstars

Whenever I want to use the shulkerboxes.sc script and i rename a shulker box restock same it doesnt restock if i run out of a stack.

[rv3r]

Did you load the script with /script load shulkerboxes?

[MeeniMc]

if you are on 1.20.4 see #383