Rob Kardashian and Blac Chyna's new reality show hasn't even premiered yet — and it's already in big trouble!

Sources are revealing exclusively to Life & Style magazine that test screenings of Rob & Chyna have scored so low it may be cancelled before the first episode even airs.

MUST SEE: Rob Kardashian Calls Blac Chyna a "Psycho B—h" Just Days Before Split Rumors — Watch!

"People are not as interested in Rob and Blac as the network had hoped," the insider says.

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The main issue: audiences want to see drama between Chyna, 28 and her future sister-in-laws Kourtney, Kim, Khloé, Kendall and Kylie. Unfortunately, Rob, 29, is not on board.

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"The network told Kris [Jenner] that she needed to get some of the other girls on
the show to boost ratings, but Rob said no,” the insider explains. “He told Kris he didn’t want any of his sisters on the show, especially Kim.”

For more on Rob and Blac Chyna's reality show, grab the latest issue of Life & Style magazine, on newsstands now!

For a look back at Rob and Chyna's whirlwind romance, check out the gallery below!