Voralia thief chest can't be locked? Description has a lock on it.

<100%hp 100%m 100%mv PROTECTED civilized 12 PM 8133tnl> l chest Securely strapped to the floor, a large gilded chest rests here. What light there is in the room reflects off the lid. A large lock is attached to the chest to securely lock it to prevent theft. It is closed. <100%hp 100%m 100%mv PROTECTED civilized 12 PM 8133tnl> relock chest It can't be locked. It was open when I got to it, usually thief guild chests need to be picked and can be relocked. Bug?