parcel is full?...

hi...i bought some furniture (coffee table and 2 end tables), and put them in the house no problem. i had to change some stuff, so i returned them to the folder. now, i cant put them back on the floor. it says: "cannot create object because the parcel is full." whats that about?...also, i cant even put the glass coffee table there. i dont get it...
please help!!!

Parcels can only contain so many objects. Check in the about land dialog, if you have objects belong to other people filling up your land, and if so, return them to the owners.