Judgment of the Court (Third Chamber) of 25 January 2024.#BL v MediaMarktSaturn Hagen-Iserlohn GmbH.#Request for a preliminary ruling from the Amtsgericht Hagen.#Reference for a preliminary ruling – Protection of natural persons with regard to the processing of personal data – Regulation (EU) 2016/679 – Interpretation of Articles 5, 24, 32 and 82 – Assessment of the validity of Article 82 – Inadmissibility of the request for an assessment of validity – Right to compensation for damage caused by data processing which infringes that regulation – Transmission of data to an unauthorised third party on account of an error made by the employees of the controller – Assessment of the appropriateness of the protection measures implemented by the controller – Compensatory function fulfilled by the right to compensation – Effect of the severity of the infringement – Whether necessary to establish the existence of damage caused by that infringement – Concept of ‘non-material damage’.#Case C-687/21.