There really isn't much there indicating an issue, just the DHCP lease which should be taken care of with the changes you made but ensure all devices do have a reserved IP and then disable DHCP on the router, reboot from the interface and monitor from there
No it won't be that, the error on the web browser is a standard no internet message. DNS maps domain names e.g. Google.com to IP addresses e.g. 8.8.8.8 so that when you go to Google.com you get connected to the 8.8.8.8 IP address and the content is displayed. With no internet that DNS process can't happen which is all it's really saying, I've tried to determine the IP address of this website you want to connect to but I'm unable to.
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