Yes, the error appears when I delete "nfentrada_item" row Here is code: -- View this message in context: http://postgresql.1045698.n5.nabble.com/Tigger-after-delete-with-plpgsql-tp5722154p5722173.html Sent from the PostgreSQL - general mailing list archive at Nabble.com. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general