I am in the tomb of sammun mak, and talk with the moleman guard about curses, and asked about someones curse (don't remember the name), the option was grey. Because I never spoke to him before, I clicked it. The I came to the next wheel, with no conversation choices. Now I am stuck in a conversation I can't quit, and I don't have anything to say. Now I have to force quit and do that part over :(
I know the name, it's Benny. DON'T ASK ABOUT HIM IF THE OPTION IS GREY.