Welcome to your interview.
The question is on your right: Correcting a Client Account Mistake. Take a moment with it first.
Talk your thinking through with me if you like - when you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes). Discussion and graded submissions share your five interviewer interactions, so spend them well.
Tell me about a specific time you made an error on an account. How did you discover it, how did you communicate it to the client and internal stakeholders, and what steps did you take to fix the issue and prevent it from happening again?