埋め込みの説明
@1@ : エラーの原因となったデータ名.
例題
[P2444.cob] 000001 IDENTIFICATION DIVISION. 000002 PROGRAM-ID. P2444. 000003 ENVIRONMENT DIVISION. 000004 INPUT-OUTPUT SECTION. 000005 FILE-CONTROL. 000006 SELECT REPFILE ASSIGN TO SYS001. 000007 I-O-CONTROL. 000008 DATA DIVISION. 000009 FILE SECTION. 000010 FD REPFILE 000011 REPORT IS REP1. 000012 WORKING-STORAGE SECTION. 000013 REPORT SECTION. 000014 RD REP1 PAGE 66 000015 CONTROL FINAL. 000016 01 TYPE CF CTLD. 000017 PROCEDURE DIVISION. 000018 END PROGRAM P2444.
P2444.cob 16: JMN2444I-S TYPE句の制御データ名'CTLD'は,未定義です.