“As a researcher and practitioner in the field of personality, I have seen first-hand that the personal characteristics of those who view entrepreneurship as a feasible career choice, persist at it, and succeed at it, can be distinctive. Nascent entrepreneurs are often relatively comfortable with ambiguity, uncertainty and risk, strongly influence events (what psychologists refer to as self-efficacy), and have high levels of work motivation.”
That about covers it! If you can not handle ambiguity, you need to hire someone who does. Entrepreneurship is all about blazing a trail where there are no road markers. It is just you and the elements.