Hotfix PlaceItemWrapper15

Signed-off-by: yoyosource <yoyosource@nidido.de>

BauSystem_15/src/de/steamwar/bausystem/utils/PlaceItemWrapper15.java

@@ -29,10 +29,14 @@ public class PlaceItemWrapper15 implements PlaceItemWrapper {
             if (material.isLegacy()) continue;
 
             String nonWall = material.name().replace("_WALL_", "").replace("WALL_", "").replace("_WALL", "");
+            try {
                 Material nonWallMaterial = Material.valueOf(nonWall);
                 if (nonWallMaterial != material) {
                     BLOCK_MATERIAL_TO_WALL_BLOCK_MATERIAL.put(nonWallMaterial, material);
                 }
+            } catch (Exception e) {
+                // Ignore
+            }
         }
         ITEM_MATERIAL_TO_BLOCK_MATERIAL.put(Material.REDSTONE, Material.REDSTONE_WIRE);
     }