# Class 57 — Operator Intervention

> Members and evidence boundaries for PostgreSQL SQLSTATE class 57.
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# Class 57 — Operator Intervention

## Shared meaning {#meaning}

The first two characters `57` identify `Operator Intervention`. The operation was cancelled or rejected by operator intervention. A class gives a directory-level family; each member still needs its own message, transaction aftermath, and response evidence.

## Members {#members}

The locked catalogue contains 7 members in this class:

[`57000`](../../57000/), [`57014`](../../57014/), [`57P01`](../../57p01/), [`57P02`](../../57p02/), [`57P03`](../../57p03/), [`57P04`](../../57p04/), [`57P05`](../../57p05/)

## Version boundary {#versions}

Member links lead to their own versioned facts; consult the version pages and source evidence for exact presence and change boundaries.

## Sources {#sources}

Members are generated from `data/classes.json` and the locked SQLSTATE directory.