StorageDrawers-1.15.2-7.0.2
Forge 31.2.36

When looking at a locked 2x2 oak drawer - when attempting to open its inventory to check quantity of items or to add upgrades - if there is zero quantity of an item in the drawer - the shift-right click action after exiting the gui clears the configured items.

Worked on both mod items and base Minecraft items (i.e. sticks) that were in the content of the drawers.

Unfortunately, this has been with us for a long time (see #704, #800, #810, #833, #863, #875). Not auspicious, I think.