ASUS IoT network causes loss of internet connection on main network.

I have an ASUS GT-AX11000 Pro router setup with 5 Nodes (ASUS ROG GT6) in a AiMesh network with an ethernet backhaul.

Generally my network runs with no issues until I attempt to setup an IoT network using the "Guest Network Pro". The moment I set it up, everything starts dropping from the network and I lose my connection to the internet on the main network.

I never add anything to the IoT network. After the Main router restarts from applying the settings it immediately kills the main network.

The only way I can get things back to normal is to delete the IoT network that was created. Once it is gone, it usually takes about 10-15 minutes and everything is back to normal.

Does anyone have any ideas on what might be goin on? What I might need to check on?