AVZ3123S UNSUPPORTED obj TYPE, DDNAME=ddname, DSNAME=dsname
Explanation
The product generalized I/O routine has been passed a DSORG or RECFM (obj) that is not supported.
User response
Validate that the data set specified has a supported data set organization (DSORG) or record format (RECFM). If you are unable to determine the reason for the failure, contact Software Support.