I have been following this YouTube series: https://www.youtube.com/watch?v=t_zr2onGhmQ&list=PLiDUvCGH5WEUcxyUKxHpQpDuinaiNp3it&index=14
and everything worked fine when I was running it through Eclipse. I noticed, however, that when I built the project, ore would not generate. Why is it different and how can I fix it?