So if you use a lot of item boxes and start filling them rapidly they eventually delete existing inventory to make more room rather than no longer accept items

so on my stream on mmd my viewers and the RealP455w0rd witnessed it when I was looking in my item request and could see the items disappearing I woke up and checked my system and almost everything was missing and no one is trolling

I don't understand what you mean.

So your items vanish. Can you reproduce this and can you tell me the steps so I can reproduce it?