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ORA-06533: Subscript beyond count

What it means

An index of a nested table/varray is greater than COUNT (EXTEND was not called).

How to fix it

Call EXTEND before assigning, or loop 1..COUNT.

Catch it before it runs

ORA Error Helper
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Flags risky PL/SQL patterns while you type.
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Reads execution plans and points at the slow step.
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Kindle book with practical PL/SQL for working developers.

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Updated 2026-11-12.