埋め込みの説明
@1@ : エラーの原因となったデータ名.
例題
[P2425.cob] 000001 IDENTIFICATION DIVISION. 000002 PROGRAM-ID. P2425. 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 01 CTLD PIC S9(9). 000014 01 CTLD PIC S9(9). 000015 REPORT SECTION. 000016 RD REP1 PAGE 66 000017 CONTROL CTLD. 000018 01 TYPE DE. 000019 PROCEDURE DIVISION. 000020 END PROGRAM P2425.
P2425.cob 17: JMN2425I-S CONTROL句の制御データ名'CTLD'は,一意でありません.この制御データ名は,無効となります.