Stein was not happy with the treaty. Nor was Hardenberg. His feelings had been so strong when Alexander rejected his project that on that very day Münster wrote to the Prince Regent warning of the possibility of war breaking out. It was true that Prussia had been guaranteed possession of the grand duchy of Berg and the area between the Rhine, the Meuse and the Moselle. But the lack of a final settlement in Germany awarding her the whole of Saxony left her extremely vulnerable.