Such as?
Baptizing without the correct invocation?
Not communing with the Bread and Wine (Body and Blood) of Christ?
Not hearing confessions with a representative of Christ on Earth?
Not laying on hands to recieve the Holy Spirit?
Sorry, I haven’t come across any contradictory doctrines. The authority of the Church to issue doctrine is Biblically pronounced. As opposed to the theologically immature.
There is no Scripture confining hearing confessions to a select few. James 5:16 says:
" Confess [your] faults one to another, and pray one for another, that ye may be healed. The effectual fervent prayer of a righteous man availeth much."