 They had become acquainted at Erfurt, during a visitation, and Staupitz was responsible for Luther's summons to Wittenberg in 1508; yet even after 1517 he entertained friendly sentiments for Luther, looking upon his ideas as being motivated only against abuses.From 1519 on, he gradually turned away from Luther.Staupitz resigned his office of vicar-general of the German congregations in 1520.