Which primary role should emphasize lifelong learning?

During Program Increment (PI) Planning, a scrum of scrums occurs just before the draft plan review. The Scrum Master from one team raises an issue that one of the Product Managers just showed up to the planning area with a priority wish list of items. These items do not align with the Feature prioritization. What is the most likely planning anti-pattern causing this sudden impediment?

What foundational issue most often leads to team dysfunction?

During Program Increment (PI) execution, the System Team is unclear about how to test some of the larger Features. What should a Release Train Engineer do?

Which of the Core Competencies of Business Agility includes aligning strategy with exe-cution?