Why the nazi banned the book of all quiet on the western front?

It was Hitlers plan to reignite the war and take back lost territory's and in effect become the biggest military power in the world. Al quiet on the western front stresses the war that they just lost from an human perspective and showed the suffering and Horror that war inflicts on both sides. Every thing Hitler did depended on the success of Propaganda and a fervor for war, this book just did not fit the bill,it was as a mater of the contrary.