No longer in GT.M since: V5.3-003
MTDOSFOR, Use of DOS-11 labels requires stream format
Run Time Error: This indicates that the LABEL="DOS11" deviceparameter appeared in a device command for a tape with FIXED or VARIABLE format.
Action: Modify the format to STREAM, delete the LABEL deviceparameter, or use LABEL="ANSI" for FIXED or VARIABLE format.