Getting error: "guest ip address conflicts with lan ip" when trying to set LAN IP

No matter what LAN IP I enter into my gl.inet mifi v3, it keeps telling me it conflicts with the guest IP. I’ve tried changing the guest IP from to something else, but that doesn’t work either. I don’t even use the guest IP, I wonder if that can be disabled? Or how can I get around this error? is guest network’s subnet, so you cannot change LAN IP to

You can change it to other subnet, such as

Yes, when I try to assign the LAN IP to, it still gives me the error. I have to go into the LUCE interface under advanced settings in order to set the LAN IP, I think it is a bug in the main page.

I test the v3.013-0126 firmware. There no problem.