unity5 to 2018.2.2f1 is a big jump. It would have been better to do unity5 to 2017 then 2018.2.2f1 to reduce the chances of issues arising in the updated project. Where is the "CubeScript" placed in your project?

Focus on what good you can take away from a bad situation. Consider what you learned and what you need to do to ensure that it doesn't happen again. Going forward, do whatever you need to do to keep making progress toward your academic goals. If you ultimately succeed, that "F" won't seem so bad, after all.

Great Balance of Theory and Practice

Whenever I used to hear a discussion about the “decline of the British middle class”, I often wondered if claims about their demise were a bit over the top.