Curse you indentation man!

src/main/java/com/sk89q/worldedit/commands/NavigationCommands.java

@@ -92,7 +92,6 @@ public class NavigationCommands {
         } else {
             levelsToDescend = args.getInteger(0);
         }
-        
         int descentLevels = 1;
         while (player.descendLevel() && levelsToDescend != descentLevels) {
             descentLevels++;