Your question is Discuss a Meaningful Failure. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
In a project execution role, not every plan works as intended. Sometimes you miss a key dependency, make the wrong trade-off, or fail to bring stakeholders along early enough, and the project outcome suffers.
Tell us about a time you failed. What did you learn from that experience?