Chad Hugo is suing his Neptunes’ producing partner Pharrell Williams over unpaid royalties, Billboard reports. In a lawsuit filed on Friday, January 23, Hugo claims Williams has refused to hand over crucial financial documents and owes him up to $1 million for work on the 2017 N.E.R.D. album, No One Ever Really Dies Alone.

“Williams engaged in self-dealing, concealed material information, and, upon information and belief, diverted revenues owed to Plaintiff,” Hugo’s attorney, Brent J. Lehman, claims in a filing obtained by Pitchfork. “Such willful, fraudulent, and malicious conduct warrants the imposition of punitive damages.”

Lehman declined to comment further on the suit. Pitchfork has also reached out to Williams’ representatives for comment.

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