@skortex, your topic has been moved to a more suitable location on the forum. Installation and Troubleshooting is not for problems with (nor for advise on) your project 
See About the IDE 1.x category.
Are you refering to the Nano Every? Or another Arduino.
What is that 7Key Macropad? Just 7 buttons connected to the Nano Every? How? Please draw a schematic and post it here.
Why not? Show us what you tried.