When a high-performing team is faced with challenges in a new domain, it is essential for the project manager to support the team in identifying areas where they need development and to address those gaps. This aligns with the PMBOK Guide's principles which emphasize the importance of engaging with stakeholders and team members to optimize team performance and project outcomes. It also reflects the PMP's focus on leadership, team building, and problem-solving within the constraints of the project environment. : The answer is verified using the PMP Examination Content Outline and the PMBOK Guide standards, which provide guidelines on project management best practices and the roles and responsibilities of a project manager. Additionally, the Professional in Business Analysis Reference Materials offer insights into the importance of continuous learning and development for project teams, especially when venturing into new domains123.