@Sunshine Screen shot attached. For clarity this is from a MR6400, so it appears the problem is affecting multiple TP link devices. It starts happening after reserving about 9 addresses - certainly...

@huettenwirt This problem is also now affecting the MR6400. TP Links response "It'll be fixed in the next firmware". Seriously? The router has been around for 4 years, and they still don't have...

@Kittentakara I also have this problem -seems to occur when I have more than one-screen's worth of address reservations, which given I've got a number of smart home devices I'd like static IPs for,...