4172A INVALID LABEL SET SYSxxx=cuu
Cause: The label on the specified tape is neither an IBM—standard label nor a tapemark.
System Action: The system waits for an operator response.
Programmer Action: If the validity of this error is in doubt, display the label portion of the
tape and confirm the presence of a tapemark (no label) or a HDR1 (standard tape label).
If there was no apparent reason for this message, obtain a system dump and have the
· tape label
available for problem determination.
Operator Action: Mount a new tape and type NEWNTAP to continue processing, or
Type IGNORE to generate a tapemark and continue processing with the mounted reel. The
tape is considered open and no further checking is done.
Used with Courtesy and Permission of International Business Machines, Inc.