"And his gifts were that some should be apostles, some prophets, some evangelists, some pastors and teachers, to equip the saints for the work of ministry, for building up the body of Christ, until we all attain to the unity of the faith and of the knowledge of the Son of God, to mature manhood, to the measure of the stature of the fullness of Christ; so that we may no longer be children, tossed to and fro and carried about with every wind of doctrine, by the cunning of men, by their craftiness in deceitful wiles. Rather, speaking the truth in love, we are to grow up in every way into him who is the head, into Christ" (Eph. 4:11–15).It is a circular reasoning which leaves the door open for rival interpretations of scripture to arise -- leading us even to theories of the Great Apostasy and other heresies.
I don't think anybody has denied that.
I don't see that Scripture alone contradicts that passage. (Eph 4:11-15)
Ephesians 5:25-27 25 Husbands, love your wives, as Christ loved the church and gave himself up for her, 26that he might sanctify her, having cleansed her by the washing of water with the word, 27so that he might present the church to himself in splendor, without spot or wrinkle or any such thing, that she might be holy and without blemish.
The word is all we need to be fully equipped. It's all Jesus ever appealed to as testimony of Himself. It all points to Him...
John 5:39 You search the Scriptures because you think that in them you have eternal life; and it is they that bear witness about me,
I not clear on your post - are you saying that Scripture doesn’t belong somehow?