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M204.1362 sysnnn is an invalid logical unit
This message applies only to the z/VSE version of Model 204. The symbolic unit number specified for a data set is unassigned or invalid.
System manager response: For sequential disk files, make sure that the symbolic unit information on the EXTENT statement for the file is correct and that the symbolic unit number is assigned to a disk device.
For tape files, verify that the symbolic user number (SYSnnn) used as the z/VSE file name on the TLBL statement is assigned to a tape drive.
For unit record files, make sure that an ASSGN statement for the symbolic unit has been included in the JCL.
|RETCODEO=0||Sets online return code|
|RETCODEB=4||Sets batch (single user) return code|
|CLASS=E||Error class; the message can be suppressed with the X'04' bit setting of the MSGCTL parameter|
|AUDITER||Writes the message with line type ER to the audit trail|
|COUNT||Increments the error count (ERCNT) parameter|