DDPSVL0210 INTERNAL - SERVICE LIST ERROR name NOT RETRIEVABLE or
** ERROR BELOW ** NOT UPDATEABLE
trying to update datadictionary attributes such as MEDIA-ACCESS
External security for Datadictionary has been implemented in the Multi-User .
DDUPDATE is being run by a user who has been defined as Datadictionary Administrator in external security.
z/OS CA Datacom
Updating Datadictionary database (DATA-DICT) tables attributes require the user not only to have datadictionary administrator rights but also security administrator rights.
Given that you are running your Datadictionary externally secured your userid would need to have the DTADMIN resource class defined for it.