Item Permanently Disappearing Glitch

[SPAZ#]

I store my backpack and vest in a lootable couch to try on a wetsuit. When I searched the couch again to get my gears back it was permanently gone, I searched the area around it but it was not there either. I just want to warn you guys that Couch Monsters are real. Be Careful!!

[Ridden]

Same problem for the weapons, are disapearing after restart if these are in the  back of a vehicle. Maybe in the couch too ?