How to fix the Oracle error PGU-00309: cannot close spool file string?

In this post, you’ll learn more about the Oracle ErrorPGU-00309: cannot close spool file string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PGU-00309: cannot close spool file string

Reason for the Error PGU-00309: cannot close spool file string

Cause: SPOOL OFF could not close the currently open spool file.

How to fix the Error PGU-00309: cannot close spool file string ?

You can fix this error in Oracle by following the below steps

Action: Check for an operating system reason that the spool file could not be closed.