vending machines lose items/scrap

Over the course of several wipes now, players have reported that the vending machines are missing items and payment for them. To try to fix, they have been told to try the following;

- make sure there is space for payment received
- pick up and replace vending machine
- make sure front of machine has foundation under it or stairs (whichever it did not have before)

- asked who was on tc access/team
 

None of these seem to have helped, and players are still having issues. Attached pics are from the most current event.
 

Any work around for this?