Complex sentence: Gradually, however, relations between Klibbe and the church leadership in Germany began to deteriorate--the exact reasons for this remain disputed-However the reasons are claimed to be an apparent dispute over the Changes of original doctrine within the Apostolic Church.
Split into simpler sentences: Gradually, however, relations between Klibbe and the church leadership in Germany began to deteriorate. The exact reasons for this remain disputed-However the reasons are claimed to be an apparent dispute over the Changes of original doctrine within the Apostolic Church.