In this post, you’ll learn about the COBOL runtime Error Code 027 and the reason why you are receiving it
COBOL Error Code :
027
Reason for this Error in COBOL
Device not available (Recoverable) -You are trying to access a device which either is not attached to your machine or if attached is not on-line. -Attach the device to your machine and ensure that it is on-line. Repeat the file operation.