I had a feeling this was the reason. Koopsta’s estate is suing Dj Paul along with a few other memphis rappers Three 6 Mafia Sued By Former Affiliates & Memphis Artists Over Copyright Infringement
I really don’t think he knew this though. I’m sure most people don’t know that Dj Paul owns the masters to that album so you gotta get permission from him, not Koops widow. Once he found out she doesn’t own the rights he canceled the release cause Paul will sue quick.