De'longhi Bean-to-Cup Coffee Machine Eletta Plus ECAM44.620.S_BK working leaking

DeLonghi Eletta Plus Bean-to-Cup Coffee Machine – ECAM45 Series. It was professionally serviced in 2022 by De'longhi. DeLonghi Eletta Plus machine. Still grinds beans and makes espresso. Main leak occurs during steaming, not normal espresso making.