Orbital Drop Slots don't render correctly

[rvb30]

Items in orbital drop slots should render as their item, not as a blank square.

I moved 2 stacks of modules to the orbital drop slots shortly after the platform departed fulgora. Not sure which modifier I used (mac keyboard) but both stacks went together.
As shown in the image, they didn't render properly.
The rendering error persists even when I change out of remote view, save, load the save I just made, and go back into remote view.

I've attached a screenshot of the error, plus my save file for debugging.
My atrocious factory design may also offer humour to whoever opens it

[Edit - after 3 attempts my save file won't upload. If you want it for debugging I'm happy to provide but may need instructions. It's 28MB so well under the forum's 1GiB limit]

[Loewchen]

124916

[rvb30]

Thanks!
I searched for "Orbital Drop Slots" and came up blank so missed that one.
LMK if you still need the save file