First dk mision is bugged!!

Hello, i start as dk, but in the first mision when i take the sword i can't put it in the forge...
Please i need help.

Did you try clicking on SWORD?

its not bugged i just made a dk to.... it works

I mean, its really hard to google
http://www.wowhead.com/quest=12842/r...ion-for-battle
https://www.youtube.com/watch?v=QLhOjHyjOPk