0LP01ERRORTier 2 — Caution✅ HIGH confidence

invalid grant operation

Category: Invalid GrantorVersions: All Postgres versions

What this means

SQLSTATE 0LP01 is a Postgres-specific error in the invalid grantor class. It is raised when a GRANT operation is structurally invalid — for example, attempting to grant a privilege that cannot be granted on the specified object type.

Why it happens

1GRANT operation that is structurally invalid for the target object type
2Attempting to grant privileges that require superuser and the current role is not superuser

How to reproduce

Invalid GRANT operation.

trigger — this will ERROR

ERROR: invalid grant operation

Fix 1: Review the GRANT syntax for the specific object type

When a GRANT raises 0LP01.

fix

Why this works

Consult the Postgres GRANT documentation for the specific object type to confirm which privileges can be granted and by whom.

Sources

📚 Official docs: https://www.postgresql.org/docs/current/errcodes-appendix.html

📚 Feature docs: https://www.postgresql.org/docs/current/sql-grant.html

🔧 Source ref: Class 0L — Invalid Grantor (Postgres-specific)

Confidence assessment

✅ HIGH confidence

Postgres-specific subcode of the invalid grantor class. Stable.