hi @Niraj , has the error cleared or is this still remaining? Have you verified your iP details of the wan port with your ISP? Is there an iP conflict and are your dns settings correct?
Some troubleshooting tips below:
https://documentation.meraki.com/General_Administration/Cross-Platform_Content/Bad_IP_Assignment_Con...
Darren OConnor | doconnor@resalire.co.uk
https://www.linkedin.com/in/darrenoconnor/
I'm not an employee of Cisco/Meraki. My posts are based on Meraki best practice and what has worked for me in the field.