Kanye West has cancelled is LA concert tonight, here at the last minute. The rapper refuses to go to The Forum, according to an X17 source: "He's screaming at everybody -- it's like he wants to make it everyone else's fault that he's having a breakdown." Tonight's show was a re-reschedule from show earlier this month that he cut short after storming off the stage unexpectedly.

But it's not just tonight, according to our source, we're told Yeezys DONE with the Saint Pablo tour: "He can't hack it anymore. He just doesn't want to do it. At least he's threatening not to do it. He's telling his people right now that he's finished and that his managers and agents and everyone else needs to figure it out."

Last night, Yeezy had a breakdown, ranting about Jay Z and Beyonce and Trump and anything else he could think of. He performed for only 30 minutes -- after being 90 minutes late -- and disappointed thousands of fans with his mic drop, out.

Kanye seems pissed about what he claims is Beyonce scheming to win an American Music Award tonight, campaigning hard to beat out Kanye and Drake, he says. So it seems he's skipping the AMAs -- unless he decides to crash, which could be VERY interesting ... Stay tuned!