After updating my Deco M9 Plus, not long after, all the satelite decos became disconnected.

I tried to reset and add the satelite deco again but after the Deco App shows that the satelite deco is successfully added, the LED on the satelite deco shows a solid Blue. The Deco App later shows the satelite deco as disconnected and the LED becomes a pulsing Red.

When I take the Satelite Deco and physically connect it to the main deco via ethernet cable, the LED on the satelite Deco becomes a solid green.

Any idea what I can do to fix this?