In this post, you’ll learn about the COBOL runtime Error Code 170 and the reason why you are receiving it
COBOL Error Code :
170
Reason for this Error in COBOL
System program not found (Fatal) -A system program, for example Adis or ExtFH, is not present on the current logged-in drive. -Ensure that all the system programs are available on the logged-in drive and copy those which are not currently present using your backup system disk. Once all the necessary system programs are available you can run your program.