Error code

PostgreSQL 3D000

POSTGRESQL3D000
Database Error Code· An error code returned by a database server such as PostgreSQL or MySQL.

What it means

invalid_catalog_name — the named database does not exist.

How to fix it

  1. Verify the database name with SELECT datname FROM pg_database.
  2. Create the database with CREATE DATABASE <name> or connect to the correct existing database.
  3. Check application configuration for a stale or mistyped database name.

Not affiliated with PostgreSQL. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.