Well, we still don't quite understand what happened.
According to Khaled this was a deliberate sabotage of his set by the sound guy.
But it simply could have been a very unfortunate miscommunication.
Below are his 2 posts about the night:
Fans didn't seem to care for Khaled tho, as you can see here he was booed off the stage.
And I guess we'll never know the truth!