ERR_NGROK_6504: Metadata is limited to MAX characters; you have entered VAL characters - ngrok documentation

What does ERR_NGROK_6504 mean?

ngrok returns ERR_NGROK_6504 with this message:

Metadata is limited to <MAX> characters; you have entered <VAL> characters.

Troubleshoot ERR_NGROK_6504 with your AI agent. Connect it to the ngrok MCP server, then ask what caused the error and how to fix it.

Where can I get more help with ERR_NGROK_6504?

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