Error code

PostgreSQL 23502

POSTGRESQL23502
Database Error Code· An error code returned by a database server such as PostgreSQL or MySQL.

What it means

not_null_violation — a required column received no value.

How to fix it

  1. Supply an explicit value for the column in the query.
  2. Add a DEFAULT clause to the column definition so missing values are filled automatically.
  3. Audit the application code to ensure all required fields are populated before the write.

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