Your question is Handling Urgent Client Bug. 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).
You are new on the job and an important client sends an urgent email about a bug in CodeSignal's product. The rest of your team cannot be reached. Given a set of resources, how would you respond to this client?