Q: when trying to connect to the network what does (-3905) mean

Hey there jmbsunsetpark,

It sounds like you may be having some issues while attempting to connect your Apple TV to your network. Here is an article for you that will help you troubleshoot this issue:

Get help with Wi-Fi networks and Apple TV - Apple Support

https://support.apple.com/en-us/HT204400

Thanks for being a part of the Apple Support Communities!