例
000001 IDENTIFICATION DIVISION.
000002 PROGRAM-ID. P2401.
000003 ENVIRONMENT DIVISION.
000004 INPUT-OUTPUT SECTION.
000005 FILE-CONTROL.
000006 SELECT REPFILE ASSIGN TO SYS001.
000007 DATA DIVISION.
000008 FILE SECTION.
000009 FD REPFILE REPORT REP1.
000010 WORKING-STORAGE SECTION.
000011 REPORT SECTION.
000012 RD REP1 PAGE 46
000013 HEADING 1
000014 FIRST DETAIL 7
000015 LAST DETAIL 44.
000016 01 TYPE PAGE HEADING.
000017 02 LINE 01 COLUMN 35 PIC N(6) SOURCE REP-SOU.
000018 PROCEDURE DIVISION.
000019 END PROGRAM P2401.
P2401.cob (17) : JMN2401I-S SOURCE句の一意名が，未定義です．