4 And now, your flocks are on the point of incurring dangerous losses both individually and as a group because they are disunited and pursuing different objectives; you see how ripe the time is for laying a healing hand on these troubled events. We strongly support your efforts to restore and strengthen concord. The great reverence in which your faithful hold you indicates that you will be successful. To this end, We suggest that you gather together for a congress as soon as it can be arranged. By sharing your views at that congress, you will be able to study in fuller detail the extent of the question, and to consider better means of settling it.
Source: Permoti Nos (Vatican.va)