In the execution phase of a project, the development team is informed by the IT...

When an unexpected change or constraint arises during execution, the project manager should first assess the impact. The development team is closest to the technical implications, and their analysis will guide decisions about alternatives, scheduling, or risk.

Per the PMBOK® Guide – Seventh Edition (Risk and Delivery Performance Domains), impact analysis is a key first step before escalating, updating risk logs, or brainstorming new paths forward.

Option A is premature before understanding the scope of impact.

Option C is about risk documentation, but this situation already materialized.

Option D is part of response planning, not the first action.