Complex sentence: Some of Teilhard de Chardin's ideas came into conflict with some officials in the Roman Curia and in his own Jesuit order who thought that Teilhard's views on original sin were contrary to Catholic doctrine.
Split into simpler sentences: Some of Teilhard de Chardin's ideas came into conflict with some officials in the Roman Curia and in his own Jesuit order. Specifically, Teilhard's superiors thought that Teilhard's views on original sin were contrary to Catholic doctrine.