ERROR:  null value in column "iso3" of relation "countries" violates not-null constraint
DETAIL:  Failing row contains (sl007-test-country, ZZ, null, SL007 Test Country, null, null, null, null).
CONTEXT:  SQL statement "INSERT INTO countries (
        id, iso2, name
    )
    VALUES (
        country_id, 'ZZ', 'SL007 Test Country'
    )
    ON CONFLICT (id) DO NOTHING"
PL/pgSQL function inline_code_block line 13 at SQL statement