Yes, error is important and avoidance of error is central to proper living, which is why we must be constantly vigilant and fearful of God.   Jesus often preached about the importance of fear and error, in fact these subjects occupy most of the gospels, and of course the Holy Mother Church has worked righteously to instill the necessary fear in the People of God.  I am sorry you have a negative take on my previous posting.  I would hope my intentions are clear.