ERR_NGROK_6508: Tunnel group labels count is limited to MAX; you have VAL labels

What does ERR_NGROK_6508 mean?

ngrok returns ERR_NGROK_6508 with this message:

Tunnel group labels count is limited to <MAX>; you have <VAL> labels.

Troubleshoot ERR_NGROK_6508 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.