Hey there. Awesome mod. I just installed it but I'm not able to open my world. What's going on? Thanks.

I just made this account to post this, so I'm still getting to understand how these forums work. If I'm doing anything wrong, let me know and I'll fix it! My idea is this: when crafting certain objects (my example for this will be the Express, Fast, and Normal Transport Belts) you sometimes need low...