This is a serious bug fix! If you use older version they will have this bug in it! Please update to lastest version! 1.13 update comming soon! Debug (fixt):
Viewing a camera twice before send to the camera (in the cooldown time) will overwrite your existing inventory! This means that your normal inventory will be overwritten and can't be restored! You also will not be teleported to your location where you got in the camera! NPC also will not be deleted!