I burn sand in furnace, and when i click get glass i get error in console. I get glass, but error very anoying. I have that error: http://pastebin.com/tHdk9fnf I have plugin what do that error as i think. That plugin just add REVERSE CRAFT recipies. Here source code my plugin:http://pastebin.com/n20ktD1j Here configs of plugin and recipies: http://pastebin.com/tmhxJfSf GUYS!!!! PLEASE HELP!!! How fix that problem?????????? Any ideas!!!