ERR_NGROK_6502: The backend could not be deleted because it is still referenced by at least one backend - ngrok documentation

What does ERR_NGROK_6502 mean?

ngrok returns ERR_NGROK_6502 with this message:

The backend could not be deleted because it is still referenced by at least one backend.

Troubleshoot ERR_NGROK_6502 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_6502?

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