Nighthawk R7900P unable to reserve IP address. Unable to reserve IP address

[DBertram]

If I attempt to reserve the IP address from any device in the table and click add the router errors with an "Invalid MAC address.  This happens on all of the devices and the MAC addresses are correct.

Nighthawk R7900P    .

Firmware Version
V1.4.4.94_1.3.56 

[FURRYe38]

You'll need to revert back to a prior version of FW to correct that.