ERR_NGROK_5102: You have reached the maximum of MAX destinations for your account

What does ERR_NGROK_5102 mean?

ngrok returns ERR_NGROK_5102 with this message:

You have reached the maximum of <MAX> destinations for your account.

Troubleshoot ERR_NGROK_5102 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.