Which specific camera do you have, why were you trying to "reconnect" it, what steps did you perform, and exactly what happened?
If you'd rather talk to Support than seek suggestions from other customers in this forum, you can start with this link:
Thank you for bringing up the concern you're experiencing, I would love to look into this further for you. The first troubleshooting step that I'd recommend would be to restart your device. This process should keep all your settings, and reconnect it to the same Wi-Fi network. This is helpful if it ever freezes, has connection problems, or isn't working normally.