 It was common for him to be seen twice a week tending to the ill despite his studies and he also helped his father on occasion at his warehouse.He became a teacher after his ordination and later a parish priest.Errico became better known for having had a vision while on a retreat in 1818 in which Saint Alfonso Maria de' Liguori came to him in a vision requesting he both found a religious congregation and oversee the establishment of a new church dedicated to the Blessed Mother.