How to resolve ORA-01001 Error Message in Oracle database

Learn the cause and how to unravel the ORA-01001 error message in Oracle.

Description

When you encounter an ORA-01001 error, the following error message will appear:

ORA-01001: invalid cursor

Cause

You tried to reference a cursor that does not but exist. This might also have occurred because:

You’ve achieved a FETCH cursor earlier than OPENING the cursor. You’ve performed a CLOSE cursor earlier than OPENING the cursor. You’ve achieved a FETCH cursor after CLOSING the cursor.

Resolution

The option(s) to resolve this Oracle error are:

Option #1

Make certain you haven’t CLOSEd the cursor and are still referencing it in your code.

Option #2

Make sure you’ve got OPENed the cursor earlier than calling a FETCH cursor or CLOSE cursor.

Option #3

If the whole lot else is fine, you may additionally need to expand the AREASIZE and MAXOPENCURSORS options.