[OPEN] [DU] [GRO] ICYA Chest/Keepsake box/backpack Inventory Locked After Moving

It's in my current save so the chest was bought after the fix -- only thing I had in there were the decorative eggs which I can get next spring so I'll just sell the chest and repurchase, then pull everything out if/when I move. 

I'm also having this issue, and it seems to be with ALL storage boxes. Can't move anything out of them, can't sell anything. I've tried to reset item, that didn't work. I've tried to move my sims out while the boxes were in the house, and then move them back in, that didn't work either. I've tried putting the boxes into my sims inventory and moving her out on her own. Also didn't work. There are a couple of items that let me "place in world", but after my sim does that I can't do anything with them because it says they don't own them. All of the stuff I don't want to loose, quite a bit of it I don't know if I get again (not without going to great lengths anyway), which is why I put it storage boxes.

I'm sorry I'm not actually sure I only just noticed it.

Just an update, because I've been playing around and managed to get my stuff back. I put the storage boxes into one of my sims inventory, moved her out into an empty lot, placed the storages boxes down, moved her back into her old house and sold the furniture so the boxes were left on the empty lot, then moved her back to the empty lot where the boxes were and she could then take the stuff out the boxes(I guess because she owned them now?). I put the boxes into her inventory and moved her back into her house and they were still fine, so I guess the issue is just when the storage boxes go into the household inventory.

I  just tested this out. I moved all my sims out with the old chests and a new one and it was fine this time. So not sure what caused the issue. The only thing I can think that I did last time was that I wanted to move my main sim away from sim's she was living with and in with other sims, but I wanted to move some stuff with her but not all of it, so instead of splitting the household I moved all the sims out and sold the furniture and then split the household and moved the other sims back into the old house, if that makes sense.