Ottoman Sultan Mahmut I didn't approve the abandonment of Tabriz and Nader, the future Shah of Iran dethroned Tahmasp II for accepting Ottoman control of the Caucasus.
Shortly after the treaty of Ahmet Pasha, Nader declared war and attacked Iraq and Caucasus.
Initial discussions between Ali Pasha (Ottoman side) and Mirza Muhammed (Persian side) in Iran about the territorial changes presented no big problem.
But the competition between the two sects of Islam resulted heated discussions in the following sessions in Constantinople.
[4] Finally the terms were; By the treaty of Ahmed Pasha, Persia had gained West Iran and by the treaty of Constantinople Persia had further gained Caucasus.