CAZ2003E
OPEN of Checkpoint File <dsname> failed
Explanation
An OPEN of the Checkpoint File of the indicated dsname failed during initialization of Application Performance Analyzer. This probably indicates that the data set existed with incorrect characteristics. The Checkpoint File should be a physical sequential (PS) data set with unblocked, LRECL=1024 records.
System action
Application Performance Analyzer terminates.
Operator response
Attempt to resolve the problem based on the information available in the message and restart the job.