In this post, you’ll learn about the COBOL runtime Error Code 188 and the reason why you are receiving it
COBOL Error Code :
188
Reason for this Error in COBOL
Filename too large (Fatal) -A filename which you have used has more characters than the maximum number allowed by your operating system. -You should recode your program to check the length of the file in error, and rename it with a shorter filename. You can then run your program again.