Dang!
Dissension among the ranks!
Looks like those 7 Asian churches were NOT the only CATHOLIC ones in trouble!
Humans are prideful beings, but the Church, is an holy institution. Church members will come and go, as well as be of differing degrees of sinfulness, but the bride of Christ remains pure.
Please also note, discord and disagreements were settled, starting with the council of Jerusalem, with Peter at the head.