Judgment of the General Court (Third Chamber) of 4 May 2022.#Larko Geniki Metalleftiki kai Metallourgiki AE v European Commission.#State aid – Aid implemented by Greece – Decision declaring the aid incompatible with the internal market – Concept of State aid – Advantage – Private operator principle – Guarantee premium – Firm in difficulty – Knowledge of the Greek authorities – Commission Notice on State aid in the form of guarantees – Manifest error of assessment.#Case T-423/14 RENV.