例
000001 IDENTIFICATION DIVISION.
000002 PROGRAM-ID. C3070.
000003 ENVIRONMENT DIVISION.
000004 DATA DIVISION.
000005 WORKING-STORAGE SECTION.
000006 01 A PIC 9(4).
000007 01 B PIC XXXX.
000008 01 C PIC 9(4).
000009 PROCEDURE DIVISION.
000010 P-START.
000011 COMPUTE A = B ON SIZE ERROR STOP RUN
000012 NOT ON SIZE ERROR MOVE B TO C.
000013 STOP RUN.
C3070.cob (11) : JMN3070I-S [NOT] ON SIZE ERROR指定付きのCOMPUTE文の右辺は,算術式でなければなりません.