In this post, you’ll learn about the COBOL runtime Error Code 240 and the reason why you are receiving it
COBOL Error Code :
Reason for this Error in COBOL
Object reference not valid (Fatal) -You have tried to use an object reference that contains an incorrect or non-existent object handle. -Ensure that the object reference uses the correct object handle, and that your program has not previously destroyed the object by sending it a Finalize message.