Judgment of the Court (Tenth Chamber) of 21 March 2019.#Tecnoservice Int. Srl, in liquidation v Poste Italiane SpA.#Request for a preliminary ruling from the Tribunale ordinario di Udine.#Reference for a preliminary ruling — Payment services in the internal market — Directive 2007/64/EC — Article 74(2) — Payment order by credit transfer — Incorrect unique identifier provided by the payer — Execution of the payment transaction on the basis of the unique identifier — Liability of the payee’s payment service provider.#Case C-245/18.