ORA Error ReferenceSearch errors

All errors › PLS errors

PLS-00221: Is not a procedure or is undefined

What it means

A function was called as a procedure (its return value ignored), or the name is wrong.

How to fix it

Assign the result: x := f(...); or call the procedure that exists.

Catch it before it runs

ORA Error Helper
Explains ORA-/PLS- codes inside JetBrains IDEs and DataGrip.
PL/SQL Lint
Flags risky PL/SQL patterns while you type.
Oracle Plan Reader
Reads execution plans and points at the slow step.
PL/SQL in Practice
Kindle book with practical PL/SQL for working developers.

Nearby errors

Updated 2026-11-12.