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:
- You've executed a FETCH cursor before OPENING the cursor.
- You've executed a CLOSE cursor before OPENING the cursor.
- 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.
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