Akibat hukum kesengajaan notaris yang merubah isi akta perjanjian kerjasama tanpa dikehendaki para pihak (Studi Kasus Putusan Mahkamah Agung Nomor 1003 K/PID/2015 dan Putusan Pengadilan Negeri Pekanbaru Nomor 247/Pdt.G/2016/PN.PBR) = Legal consequences of a notary deliberately modifying the contents of a cooperation agreement deed without obtaining consent from the parties (Case Study of Supreme Court No. 1003 K/PID/2015 and Pekanbaru District Court Decision No. 247/Pdt.G/2016/PN.PBR)