Just because you’re a Kardashian doesn’t mean you have an endless stream of money, apparently.

Just ask Rob, who reportedly isn’t able to pay the $20,000 per month in child support payments to his former boo and baby mama Blac Chyna.

The only Kardashian son agreed to dole out that amount months ago when BC took him to court over the matter. Apparently, his sisters have been fronting him the cash flow in order for him to make the payments so far just to make sure his daughter is taken care of and that Dream can stay under the 50/50 custody agreement.

On that score, Chyna told him that if she didn’t receive her monthly check she would file a restraining order against him for the myriad of private pics he exposed of her online, which could be publicly humiliating and more importantly, likely lose him custody of his child.

According to Bossip, Rob could petition to have the monthly amount lowered because he has no real income, but instead he’s trying to get the money back via a lawsuit.

Hopefully, for Dream’s sake, this can be worked out on the best terms for her.