> For the complete documentation index, see [llms.txt](https://docs.lumoz.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.lumoz.org/verifier/setup-verifier-node/troubleshooting.md).

# Troubleshooting

1. "Delegate:invalid"

When entering the operator address, the owner’s address cannot be used.

2. Why does the Windows node client crash immediately after opening?

Check if the environment variables are set.