COBOL · File status code
What does File Status 30 mean in COBOL?
An unrecoverable input/output error occurred that is not covered by a more specific status code, such as a boundary violation or parity error at the device level.
An unrecoverable input/output error occurred that is not covered by a more specific status code, such as a boundary violation or parity error at the device level.
Check the job log or system console for an associated device or media error message, since this status alone rarely identifies root cause.