A DEFINE, RECOVER, or REPORT command was issued with an invalid date or invalid date format. The acceptable date format for the DEFINE command is yy/mm/dd (year, month, and day). The CYCLESTARTDATE yy/mm/dd (year, month, and day) must be today’s date or a date in the past. Future dates are not recognized. The acceptable formats for the RECOVER and REPORT commands are yy/mm/dd, mm/dd/yy or mm/dd (where yy defaults to the current year), if you issue the command before 1 January 2000; and yyyy/mm/dd, if you issue the command after 31 December 1999.