Handled no data found doesnt change variable

handled_ndf.sql

DECLARE
  rc_SG   SI_SUBJ_GOODS%ROWTYPE;
BEGIN
  rc_SG.N_SUBJ_GOOD_ID := -1;
  
  BEGIN
    SELECT *
    INTO   rc_SG
    FROM   SI_SUBJ_GOODS
    WHERE  1 = 2;
  EXCEPTION WHEN no_data_found THEN NULL;
  END;
  
  MAIN.RAISE_ERROR_OLD(rc_SG.N_SUBJ_GOOD_ID);
END;