In this post, you’ll learn about the COBOL runtime Error Code 218 and the reason why you are receiving it
COBOL Error Code :
218
Reason for this Error in COBOL
Malformed MULTIPLE REEL/UNIT file (Fatal) -Either your file header is not correctly formatted, or you are not using a MULTIPLE REEL/UNIT file. -You should try to run your program again using a backup copy of the relevant file.