No crafting

I was on a server (SwifterFanHub.com)I went to craft and when i did it wouldn't. For example if I had wood and I tried to make stair it wood just give me the wooden planks back. PLEASE FIX CRAFTING BUG!

1:Found out how to fix
2: Fix it!
3: Make 1.5.1 with this fixed
4: Youll make me happy!