In this post, you’ll learn about the COBOL runtime Error Code 109 and the reason why you are receiving it
COBOL Error Code :
109
Reason for this Error in COBOL
Invalid checksum in run-time system (Recoverable) -The internal information in the run-time system has been altered. The run-time system might have become corrupted, or you might have illegally tried to change the internal run-time system information.