The problem arises because Sacred Magisterium is precisely denied in Scripture. There is nothing "sacred" about a group of men who presume to speak for God when they tell other men how to interpret Scripture.
Just like there is nothing "sacred" about one mortal man imagining he has the power to forgive another man's sins.
"Sacred" is the Holy Spirit who speaks through the word of God which tells us all believers are part of His holy priesthood, equal in Christ's victory.
If so be ye have tasted that the Lord is gracious. To whom coming, as unto a living stone, disallowed indeed of men, but chosen of God, and precious, Ye also, as lively stones, are built up a spiritual house, an holy priesthood, to offer up spiritual sacrifices, acceptable to God by Jesus Christ. Wherefore also it is contained in the scripture, Behold, I lay in Sion a chief corner stone, elect, precious: and he that believeth on him shall not be confounded. Unto you therefore which believe he is precious: but unto them which be disobedient, the stone which the builders disallowed, the same is made the head of the corner, And a stone of stumbling, and a rock of offence, even to them which stumble at the word, being disobedient: whereunto also they were appointed. But ye are a chosen generation, a royal priesthood, an holy nation, a peculiar people; that ye should shew forth the praises of him who hath called you out of darkness into his marvellous light; Which in time past were not a people, but are now the people of God: which had not obtained mercy, but now have obtained mercy." -- 1 Peter 2:2-10"As newborn babes, desire the sincere milk of the word, that ye may grow thereby:
Chapter and verse?
-A8