Flip address is out of range arduino uno r3

Hello guy, I am trying to flash the firmware on my Arduino UNO rev3 atmega 16u2 using Atmel Flip. Whenever I try and import the .hex file into the program, it throws the error "Address is out of range." I have looked around online and haven't found any solution. Any and all info would be helpful.

here is the hex file : https://github.com/NicoHood/HoodLoader2/blob/master/avr/bootloaders/HexFiles/HoodLoader2_0_5_Uno_atmega16u2.hex

its for using arduino uno like HID