CAZI031W
Welcome to IBM APA for z/OS – As a first time user you must connect to an IBM APA for z/OS started task. To begin using the product, enter ''CONNECT ID'' on the command line, where ID is one of following started task ids: &MPARM1

Explanation

You have not yet specified the Application Performance Analyzer started task ID to which you are to be connected. Enter "CONNECT ID" on the command line, where ID is one of the IDs in the &MPARM1 list.