You have to reset your router. Press and hold the reset button for 30 seconds and try to configure your router again to resolve this problem. If this does not help, then you need to manually change the IP. This step requires and technical expert. Call 1-855-569-5945
and get 24/7 support from certified technicians.
Toll Free no. 1-855-569-5945
For More- https://www.exploreb2b.com/articles/troubleshooting-linksys-router