Warning: Got a rate limit error 429

I get this error when running notebook " Lab 6: Multi-Agent Orchestration"… what can I do?

“Warning: Got a rate limit error (‘429 Client Error: Too Many Requests for url: http://jupyter-api-proxy.internal.dlai/rev-proxy/letta/chat/completions’) on LLM backend request, waiting 2s then retrying…”

thanks