In this post, you’ll learn more about the Oracle ErrorPGU-20004: unable to close the cursor with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
PGU-20004: unable to close the cursor
Reason for the Error PGU-20004: unable to close the cursor
Cause: Internal PGAU logic error – should not occur. An error occurred closing an SQL statement cursor. Syntax checking only continues with the next statement.
How to fix the Error PGU-20004: unable to close the cursor ?
You can fix this error in Oracle by following the below steps
Action: Ensure that the Oracle server containing the PG DD is operational. Otherwise, reproduce the error with symptom documentation. Supported Customers should contact Oracle World Wide Support for assistance.