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Arduino error message that I don't understand

I downloaded Arduino code from this: https://github.com/BabyWrassler/MissionControl/ Github, and got the error message below.

Error message

It is designed to work with a Raspberry Pi, and I installed the two Adafruit libraries. I also have not hooked it up to either the Pi, or the two Adafruit devices, but that is partly because I cannot get it to run without the error message. Sorry I put a picture instead of typing the error message, but I thought it would be easier to see the highlighting and the different places it put the error messages.

Update: Here is what the text said: Adafruit_LEDBackpack matrixA = Adafruit_LEDBackpack(); The orange bar says: Variable or field ‘matrixOff‘ declared void I cannot tell what of the following was from before, but here is the entire console log: mcDesk.ino:2:53: error: Adafruit_LEDBackpack.h: No such file or directory mcDesk.ino:3:45: error: Adafruit_GFX.h: No such file or directory mcDesk:11: error: Variable or field ‘matrixOff‘ declared void mcDesk:11:'Adafruit_LEDBackpack' was not declared in this scope mcDesk

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