PostgreSQL Error Reference

Every error, explained

SQLSTATE codes, condition names, root causes, diagnostic queries, and recovery steps — structured for engineers running PostgreSQL in production.

578 errors documentedFree diagnostics on every pageAll PG versions covered

Showing 578 of 578 errors

XX002 ERROR

index “…” contains unexpected zero page — XX002

index_corrupted

PostgreSQL error "index … contains unexpected zero page — XX002" (SQLSTATE XX002): what it means, common causes, and how to fix it.

Internal Error
XX002 PANIC

Index Corrupted — SQLSTATE XX002

index_corrupted

An index is corrupted.

Internal Error