Nullity of the arbitral award. Merits of the judgment dismissing the enforcement proceedings on the grounds of Articles 586 and 618, I, of the Code of Civil Procedure. Arbitral award rendered following the irregular initiation of the arbitration proceedings, without the participation of one of the parties and without recourse to the action under Article 7 of the Brazilian Arbitration Act, where the arbitration clause was a pathological arbitration clause: