ERR_NGROK_6511: Weighted backends count is limited to MAX; you have VAL backends

What does ERR_NGROK_6511 mean?

ngrok returns ERR_NGROK_6511 with this message:

Weighted backends count is limited to <MAX>; you have <VAL> backends.

Troubleshoot ERR_NGROK_6511 with your AI agent. Connect it to the ngrok MCP server, then ask what caused the error and how to fix it.

Email support@ngrok.com and include the error code.