All errors › ORA errors
ORA-22835: Buffer too small for CLOB to CHAR or BLOB to RAW conversion
What it means
A CLOB longer than 4000 bytes was converted to VARCHAR2 in SQL (implicitly or with TO_CHAR).
How to fix it
Use DBMS_LOB.SUBSTR(clob, 4000, 1) or keep the value as CLOB.
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.
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.