ERR_NGROK_2250: Invalid configuration for ACTION: Nested variables are too deep

What does ERR_NGROK_2250 mean?

ngrok returns ERR_NGROK_2250 with this message:

Invalid configuration for <ACTION>: Nested variables are too deep. Maximum nesting allowed is <MAX>

Troubleshoot ERR_NGROK_2250 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.