DSNT696I INDEXSPACE name CANNOT BE STOPPED. IT IS DEFINED ON A DDL REGISTRATION TABLE

Explanation
 The index space specified in the message cannot
be stopped because it is defined on an application or object registration
table. Installation SYSADM or installation SYSOPR authority is needed
to stop the index space.

System action
 The index space specified in the message is not
stopped.

User response
 Reissue the command with the proper authority.