ERR_NGROK_2221: Invalid configuration for ACTION: CONFIG length of ACTUAL exceeded limit of MAX - ngrok documentation

What does ERR_NGROK_2221 mean?

ngrok returns ERR_NGROK_2221 with this message:

Invalid configuration for <ACTION>: <CONFIG> length of <ACTUAL> exceeded limit of <MAX>.

Troubleshoot ERR_NGROK_2221 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_2221?

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