Case T-388/22: Judgment of the General Court of 16 October 2024 – Aristoteleio Panepistimio Thessalonikis v ERCEA (Arbitration clause – Seventh Framework Programme for research, technological development and demonstration activities (2007-2013) – Grant agreement – Eligible costs – Staff costs – OLAF investigation – Burden of proof – Right to be heard – Right to an effective remedy)