In this post, you’ll learn more about the Oracle ErrorPGU-00307: cannot open spool file string with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
PGU-00307: cannot open spool file string
Reason for the Error PGU-00307: cannot open spool file string
Cause: PGAU tried to open a spool file after you entered SPOOL filename, but could not open the file. Possible causes are not enough disk space or inadequate privileges to create a file.
How to fix the Error PGU-00307: cannot open spool file string ?
You can fix this error in Oracle by following the below steps
Action: Determine why PGAU could not create a new file and retry.