Answer based on knowledge of organizational behavior

Melissa was recently hired as the campaign manager at an environmental organization. She has a degree in environmental sustainability and possesses substantial knowledge about the issue of global warming. She has the knowledge to lead the public relations team of the organization. However, a few months later, the board of directors of the organization expressed dissatisfaction with Melissa's performance and asked her to resign. Question:- 1. What might be the major reason for the situation: Prior experience, interpersonal and networking skills, management style, up-to-date knowledge, or others? 2. How should Melissa avoid her weakness? 3. Why is the issue concerned important for managers