Hotfix WE problem

BauSystem_Main/src/de/steamwar/bausystem/world/RegionListener.java

@@ -68,10 +68,14 @@ public class RegionListener implements Listener {
     public void onBlockPlace(BlockPlaceEvent e) {
         Player p = e.getPlayer();
 
+        try{
             if (Welt.noPermission(p, Permission.build)){
                 p.sendMessage(BauSystem.PREFIX + "§cDu darfst hier keine Blöcke platzieren");
                 e.setCancelled(true);
             }
+        }catch(NullPointerException ex){
+            //ignored, caused by worldedit brushes
+        }
     }
 
     private boolean isWorldEditCommand(String command) {