ayuda por favor error.

Database error in vBulletin :

Invalid SQL:
INSERT INTO vbadminutil (title, text) VALUES ('datastorelock', '0');

MySQL Error : Duplicate entry 'datastorelock' for key 1
Error Number : 1062
Date : Tuesday, November 11th 2008 @ 11:53:22 PM
Script : http://mipagina.com/install/install.php?step=5
Referrer : http://mipagina.com/install/install.php?step=4
IP Address : ********
Username :
Classname : vB_Database