For otherwise outstanding leaders, it is a lack of clarity.
You may be a brilliant motivator and leader of great character who empowers their team for success and inspires them to move to action. You may be trustworthy and a leader who lives each value of the organization in an exemplary fashion. You may approach your leadership role with a servant mentality and recognize every success and strength of your followers and organizations. And you may be the most honorable and courageous leader on the field.
But if you are not clear on your:
you will either lead your followers in circles, down the wrong path, or leave them confused and bumping into each other.