Procedure Y Trigger

[Nuria]

Hola!

Prueba a creartelo así:

SET TERM ;^

CREATE TRIGGER PROPAGAR_BORRADO_LALBARANES FOR ALBARANES
ACTIVE BEFORE DELETE POSITION 0 AS
BEGIN
  DELETE FROM LINEAALBARANES WHERE NUMERO=old.NUMERO AND            ANNO=old.ANNO;
END^

SET TERM ;^

Espero que te sirva!