PostgreSQL Error Reference

Every error, explained

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

3910 errors documentedFree diagnostics on every pageAll PG versions covered

Showing 168 of 3910 errors

0A000 ERROR

cannot alter type of a column used in a trigger definition — 0A000

feature_not_supported

PostgreSQL error "cannot alter type of a column used in a trigger definition" (SQLSTATE 0A000, feature_not_supported): what it means, common causes, and how to fix it.

Feature Not Supported
0A000 ERROR

cannot alter type of a column used in a policy definition — 0A000

feature_not_supported

PostgreSQL error "cannot alter type of a column used in a policy definition" (SQLSTATE 0A000, feature_not_supported): what it means, common causes, and how to fix it.

Feature Not Supported
0A000 ERROR

cannot alter type of a column used by a generated column — 0A000

feature_not_supported

PostgreSQL error "cannot alter type of a column used by a generated column" (SQLSTATE 0A000, feature_not_supported): what it means, common causes, and how to fix it.

Feature Not Supported
0A000 ERROR

cannot alter type of a column used by a publication WHERE clause — 0A000

feature_not_supported

PostgreSQL error "cannot alter type of a column used by a publication WHERE clause" (SQLSTATE 0A000, feature_not_supported): what it means, common causes, and how to fix it.

Feature Not Supported
0A000 ERROR

cannot change owner of sequence “…” — 0A000

feature_not_supported

PostgreSQL error "cannot change owner of sequence "…"" (SQLSTATE 0A000, feature_not_supported): what it means, common causes, and how to fix it.

Feature Not Supported
0A000 ERROR

trigger “…” prevents table “…” from becoming an inheritance child — 0A000

feature_not_supported

PostgreSQL error "trigger "…" prevents table "…" from becoming an inheritance child" (SQLSTATE 0A000, feature_not_supported): what it means, common causes, and how to fix it.

Feature Not Supported
0A000 ERROR

cannot move an owned sequence into another schema — 0A000

feature_not_supported

PostgreSQL error "cannot move an owned sequence into another schema" (SQLSTATE 0A000, feature_not_supported): what it means, common causes, and how to fix it.

Feature Not Supported
0A000 ERROR

trigger “…” prevents table “…” from becoming a partition — 0A000

feature_not_supported

PostgreSQL error "trigger "…" prevents table "…" from becoming a partition" (SQLSTATE 0A000, feature_not_supported): what it means, common causes, and how to fix it.

Feature Not Supported
0A000 ERROR

“…” is a partitioned table — 0A000

feature_not_supported

PostgreSQL error ""…" is a partitioned table" (SQLSTATE 0A000, feature_not_supported): what it means, common causes, and how to fix it.

Feature Not Supported
0A000 ERROR

moving row to another partition during a BEFORE FOR EACH ROW trigge… — 0A000

feature_not_supported

PostgreSQL error "moving row to another partition during a BEFORE FOR EACH ROW trigger is not supported" (SQLSTATE 0A000, feature_not_supported): what it means, common causes, and how to fix it.

Feature Not Supported
0A000 ERROR

invalid ON UPDATE specification — 0A000

feature_not_supported

PostgreSQL error "invalid ON UPDATE specification" (SQLSTATE 0A000, feature_not_supported): what it means, common causes, and how to fix it.

Feature Not Supported
0A000 ERROR

DECLARE SCROLL CURSOR … FOR UPDATE/SHARE is not supported — 0A000

feature_not_supported

PostgreSQL error "DECLARE SCROLL CURSOR ... FOR UPDATE/SHARE is not supported" (SQLSTATE 0A000, feature_not_supported): what it means, common causes, and how to fix it.

Feature Not Supported
0A000 ERROR

cannot execute MERGE on relation “…” — 0A000

feature_not_supported

PostgreSQL error "cannot execute MERGE on relation "…"" (SQLSTATE 0A000, feature_not_supported): what it means, common causes, and how to fix it.

Feature Not Supported
0A000 ERROR

could not implement GROUP BY — 0A000

feature_not_supported

PostgreSQL error "could not implement GROUP BY" (SQLSTATE 0A000, feature_not_supported): what it means, common causes, and how to fix it.

Feature Not Supported
0A000 ERROR

could not implement DISTINCT — 0A000

feature_not_supported

PostgreSQL error "could not implement DISTINCT" (SQLSTATE 0A000, feature_not_supported): what it means, common causes, and how to fix it.

Feature Not Supported
0A000 ERROR

could not implement window PARTITION BY — 0A000

feature_not_supported

PostgreSQL error "could not implement window PARTITION BY" (SQLSTATE 0A000, feature_not_supported): what it means, common causes, and how to fix it.

Feature Not Supported
0A000 ERROR

could not implement window ORDER BY — 0A000

feature_not_supported

PostgreSQL error "could not implement window ORDER BY" (SQLSTATE 0A000, feature_not_supported): what it means, common causes, and how to fix it.

Feature Not Supported
0A000 ERROR

could not implement recursive UNION — 0A000

feature_not_supported

PostgreSQL error "could not implement recursive UNION" (SQLSTATE 0A000, feature_not_supported): what it means, common causes, and how to fix it.

Feature Not Supported
0A000 ERROR

could not implement … — 0A000

feature_not_supported

PostgreSQL error "could not implement …" (SQLSTATE 0A000, feature_not_supported): what it means, common causes, and how to fix it.

Feature Not Supported
0A000 ERROR

DECLARE CURSOR WITH HOLD … … is not supported — 0A000

feature_not_supported

PostgreSQL error "DECLARE CURSOR WITH HOLD ... … is not supported" (SQLSTATE 0A000, feature_not_supported): what it means, common causes, and how to fix it.

Feature Not Supported
0A000 ERROR

DECLARE SCROLL CURSOR … … is not supported — 0A000

feature_not_supported

PostgreSQL error "DECLARE SCROLL CURSOR ... … is not supported" (SQLSTATE 0A000, feature_not_supported): what it means, common causes, and how to fix it.

Feature Not Supported
0A000 ERROR

outer-level aggregate cannot use a nested CTE — 0A000

feature_not_supported

PostgreSQL error "outer-level aggregate cannot use a nested CTE" (SQLSTATE 0A000, feature_not_supported): what it means, common causes, and how to fix it.

Feature Not Supported
0A000 ERROR

unit “…” not supported for type … — 0A000

feature_not_supported

PostgreSQL error "unit "…" not supported for type …" (SQLSTATE 0A000, feature_not_supported): what it means, common causes, and how to fix it.

Feature Not Supported
0A000 ERROR

unsupported XML feature — 0A000

feature_not_supported

PostgreSQL error "unsupported XML feature" (SQLSTATE 0A000, feature_not_supported): what it means, common causes, and how to fix it.

Feature Not Supported