Board Thread:Questions and Answers/@comment-174.124.251.160-20130420031207/@comment-122.107.58.209-20130605012933

was able to craft 1 obsidian with wood, then the stone stopped working, was able to get it to work one more time without a relog, or disabling nei by using the stone in a crafting turtle. it only made 1 obsidian in there before it stopped working again.