Ok so I finnished the quest where you translate Gallus's journal and bring it to the elf guy. I talked to Karliah afterwards and she gave me the Nightingale sword. She told me to meet her at the flaggon but I diddnt get a quest and when I go to the flaggon and talk to Vekkle the Man he tells me he hopes i know what Im doing with trusting Karliha.

Please help me!!!!!