This has happened to me on a few occasions. What should happen is you have the conversation with Baeloth and then the genie teleports in and starts another conversation. For some reason the genie occasionally fails to teleport in and the scene just hangs like that. The only solution I have found is to start a new Black Pits game, the game does save an auto-save, but the problem persists even if you load it.
This hasn't happened to me after the 1.2 update you could try downloading that if you haven't already.
You spawn Najim using the console if the script fails.
That could be an option, but when it happens to me the UI is in "cutscene mode" so all inputs are disabled, essentially you can't access the console at all.
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I can't remember exactly but have you talked to najim? I think he gives you money.
This hasn't happened to me after the 1.2 update you could try downloading that if you haven't already.