Fix SimulatorTNTPhaseSettingsGui

BauSystem_Main/src/de/steamwar/bausystem/features/simulator/gui/SimulatorTNTPhaseSettingsGui.java

@@ -83,7 +83,7 @@ public class SimulatorTNTPhaseSettingsGui extends SimulatorBaseGui {
 
         SWItem countItem = new SWItem(Material.TNT, "§eCount§8:§7 " + count, clickType -> {
             new SimulatorAnvilGui<>(player, "Count", count + "", Integer::parseInt, integer -> {
-                if (integer < 0) return false;
+                if (integer < 1) return false;
                 tnt.setCount(integer);
                 SimulatorWatcher.update(simulator);
                 return true;