Error with nvidia api key

[backupafelix045-boop]

Not Found: 404 page not found

Open Design run error diagnostics
trace_id: 2a13cf21-dc67-4362-a5fd-3b16259ea138
run_id: 2a13cf21-dc67-4362-a5fd-3b16259ea138
error_code: AGENT_EXECUTION_FAILED
project_id: 75bad2be-a62c-4bbb-8b76-aa04a839b566
conversation_id: b31c3119-d155-4657-9d60-d007bda91462
assistant_message_id: ce69a54c-159f-4a51-873a-127bedc4c9ed
agent_id: openai-api

I get this error whenever I try to use the chat or create a design. I'm not sure if I have something misconfigured, but I need help. I can't create absolutely anything. Does anyone know what the problem is?

And could you explain it to me as if I were a five-year-old?

I'm using a free NVIDIA API key, but it doesn't seem to be working for me.