1699
MariaDBERRORNotableStorage EngineMEDIUM confidence
Inconsistent error information returned from storage engine
Production Risk
High — may indicate storage engine instability.
What this means
The storage engine returned contradictory or internally inconsistent error information, usually indicating a bug or corruption in the storage engine layer.
Why it happens
- 1Storage engine bug.
- 2Corrupt InnoDB data dictionary.
- 3Plugin version mismatch.
How to reproduce
trigger — this will error
trigger — this will error
-- Internal; no reliable single trigger SQL.
expected output
ERROR 1699 (HY000): Inconsistent error information returned by SE.
Fix
Check the MySQL error log and upgrade the storage engine plugin
Check the MySQL error log and upgrade the storage engine plugin
-- Review /var/log/mysql/error.log -- If using a third-party SE, ensure plugin version matches server version.
Why this works
The error log contains detailed internal SE diagnostics that identify the inconsistency.
What not to do
✕
Sources
Official documentation ↗
MySQL 8.0 — 1699 ER_INCONSISTENT_ERROR
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