The "Fade" rapper, 39, who was performing at Inglewood, California, also apologized to his fans, reported ET online.
"I'm sorry.I can't let y'all have a show where I can't perform for you. I'll give everyone a refund. I'll do better next time," West told the concertgoers.
The musician performed for about 45 minutes and was more than halfway through his setlist before cutting the music.
"I'm very sorry. I love you. I promise you I'll do better next time," he said.
The evening marked West's seventh performance in Inglewood in the last nine days.
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