# Class 58 — System Error (errors external to PostgreSQL itself)

> Members and evidence boundaries for PostgreSQL SQLSTATE class 58.
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# Class 58 — System Error (errors external to PostgreSQL itself)

## Shared meaning {#meaning}

The first two characters `58` identify `System Error (errors external to PostgreSQL itself)`. The server encountered an error external to PostgreSQL itself. 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 5 members in this class:

[`58000`](../../58000/), [`58030`](../../58030/), [`58P01`](../../58p01/), [`58P02`](../../58p02/), [`58P03`](../../58p03/)

## 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.