Robert K. Futterman doesn’t need rehab, he needs a hug.

As The Post reported Wednesday, the star broker was fired “for cause” on Tuesday because he had been behaving “erratically,” including interrupting company CEO Barry Gosin during a recent presentation.

The firing also followed a drug bust in Texas in April.

But Futterman denies having a drug problem and says he was simply distraught over the breakup of his decade-long girlfriend, clothing designer Hollie Watman.

His drug arrest was over medical marijuana, he added.

“I was falsely accused of using [illegal] drugs and alcohol, which I don’t use,” he told The Post.

In fact, the company that just fired him — Newmark, a division of Howard Lutnick’s BGC — tried to get Futterman, 60, into a prominent Hamptons rehab among other drug recovery hot spots — but he was routinely rejected because he didn’t have any drugs or alcohol in his system, a company source said.

“They couldn’t find a rehab to take him” because his blood tests didn’t come up positive for drugs, the source said of the tests, which Futterman confirmed.

“This is an injustice not just to me but to our entire industry and I don’t think the industry should sit back,” he said of the firing.

“I certainly do not plan on sitting back,” said Futterman, a self-described “cowboy.”

“My dad was a fighter, he fought in World War II. [I’ve been] unjustly persecuted for just being the person that I am.”

Futterman is now barred from working in the real estate industry for 11 years — thanks to the contract he signed when he completed the sale of RKF to Newmark in September 2018.

He’s also prohibited from using his own initials, he said.

Futterman, who was chairman and CEO of RKF, was canned Tuesday after executives, including Lutnick, became concerned about his “instability,” sources said. “They were worried he would do something that would reflect badly on the company,” a source added.

Unable to get Futterman into rehab, company executives became more alarmed when they found out he had been arrested at an airport in Texas for pot and a “controlled substance.”

An arrest report obtained by The Post shows that Futterman was caught with soft drugs, including pot candy, after being approached at the Dallas/Fort Worth airport because he kept leaving his bag unattended.

While speaking to the officer, he “threw his bag to the floor” and out came a package of Cheeba Chews, which contain THC.

A further search turned up other chewables and CBD oil, which is considered a controlled substance in Texas.

Contributing to his firing was a recent speeding ticket and “erratic messages” to various company executives, sources said. Futterman confirmed the ticket.

Immediately after his firing, he texted this reporter a photo of him and his driver at his Montauk “retirement shack,” which rents for $83,000 per month.

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