Oracle / PLSQL: ORA-01001 Error Message

Learn the cause and how to resolve 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 yet exist. This may have happened because:

1. You've executed a FETCH cursor before OPENING the cursor.
2. You've executed a CLOSE cursor before OPENING the cursor.
3. You've executed a FETCH cursor after CLOSING the cursor.

Resolution

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

Option #1

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

Option #2

Make sure you've OPENed the cursor before calling a FETCH cursor or CLOSE cursor.

Option #3

If everything else is fine, you may need to increase the AREASIZE and MAXOPENCURSORS options.