In this post, you’ll learn about the COBOL related Error Code RT012 and the reason why you are receiving it
COBOL Error Code :
RT012
Reason for this Error in COBOL
Attempt to open a file which is already open.
In this post, you’ll learn about the COBOL related Error Code RT012 and the reason why you are receiving it
RT012
Attempt to open a file which is already open.