Issues building and preparing binary for SparkFun Edge

Hello, I want to upload my own neural network onto the SparkFun Edge device. Since Arduino no longer supports the board, I am trying to build the binary for my code and upload it. There is a tutorial that explains how to do this but I am running into issues with steps 3 and 4.

Tutorial: AI Speech Recognition with TensorFlow Lite for Microcontrollers and SparkFun Edge (