[Help] [ Stacking ] - I'm getting pissed of..

Alright. I got this problem.. It have been pissing me off so long time. It started with that I created my own hotel it was fine and shit but then this stacking shit was fucked up. When I stack something and close my emulator (Phoenix EMU 3.11.0 (3.0)) and start it again the furni I stacked is in eachother and stuff. Here is an example:



This also often happends when I stack something, then leave the room for an X amount of time.. Then comes back to something that looks like this. I searched the whole google through to try find a fix on this annoying problem and couldn't find anything on either this or other forums. What I mostly got out of it was something with "stack_height", and if anyone could send me that file I would love it! I don't know if its the database or my Emulator, but I just need any fix.

Cheers, -Billy