COBOL Runtime Error Code – 012 Attempt to open a file which is already
In this post, you’ll learn about the COBOL runtime Error Code 012 and the reason why you are receiving it
COBOL Error Code :
012
Reason for this Error in COBOL
Attempt to open a file which is already open (Recoverable) -You have tried to open a file which is already open and so cannot be opened again. -Cancel your second attempt to open the file. If the fact that the file is already open is acceptable to you, continue to run your program.
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