ORA Error ReferenceSearch errors

All errors › PLS errors

PLS-00201: Identifier must be declared

What it means

The name is unknown: typo, missing declaration, object in another schema, or a privilege granted only through a role (not visible in stored PL/SQL).

How to fix it

Declare it, qualify with the schema, or grant the privilege directly to the owner of the code.

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.