Important Notice
The pages on this site contain documentation for very old MS-DOS software,
purely for historical purposes.
If you're looking for up-to-date documentation, particularly for programming,
you should not rely on the information found here, as it will be woefully
out of date.
Message 0040 (↑ Syntax Messages)
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Message: 0040
Text: Missing or illegal file name
Explanation: The file name you have specified either does not conform
to COBOL rules for file names, or has not been declared in
the FILE-CONTROL paragraph. This may be due to a misspelled
valid file name.
Resolution: Correct the file name (or, if necessary, add a file
description entry to the file-control paragraph).
-♦-