Error code

PostgreSQL 42P07

POSTGRESQL42P07
Database Error Code· An error code returned by a database server such as PostgreSQL or MySQL.

What it means

duplicate_table — a table with this name already exists.

How to fix it

  1. Use CREATE TABLE IF NOT EXISTS to skip creation when the table exists.
  2. Drop or rename the existing table first if a fresh schema is intended.
  3. Check migration scripts for idempotency to avoid re-running CREATE TABLE.

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