Fix

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

@@ -58,7 +58,7 @@ public class DetonatorListener implements Listener {
                         Detonator.execute(player);
                         break;
                 }
-            }catch (SecurityException e) {
+            }catch (RuntimeException e) {
                 player.sendMessage(BauSystem.PREFIX + "§c" + e.getMessage());
                 player.getInventory().setItemInMainHand(item);
             }