As part of an ongoing review of a major change effort, key stakeholder feedback indicated...

If stakeholders are unclear about their roles and expected behaviors, the root issue often lies in acommunication plan that failed to build awareness. ACMP outlines communication outcomes as building awareness, creating understanding, and enabling action. A weak communication plan may not have clarified“what does this mean for me?”Stakeholder engagement (A) focuses on involvement, not awareness; business case (C) supports rationale but not role clarity. Feedback requirements (B) affect monitoring, not communication. Therefore, the gap is explained by a communication plan deficiency.

(Reference: ACMP Standard, Process Group 4 – Execute Communications; Outcomes: Awareness, understanding, and role clarity.)