Node Installation I'm Getting Error

Hello, I want to set up a node on gitopia. However, I always get an error like this. What do you think could be the cause of this error?

Currently, you won’t be able to join the testnet. We’ll share instructions on how to join the testnet after shortlisting the validators. If you are trying to run a validator for testing in isolation, you can fix this error by running the create validator command.