Fix ClipboardListener

BauSystem_Main/src/de/steamwar/bausystem/features/world/ClipboardListener.java

@@ -36,21 +36,26 @@ public class ClipboardListener implements Listener {
 
     @EventHandler
     public void onLogin(PlayerJoinEvent e) {
-        if(!Permission.SUPERVISOR.hasPermission(e.getPlayer())) return;
+        if (!Permission.SUPERVISOR.hasPermission(e.getPlayer())) return;
 
+        SchematicNode schematic;
         try {
-            SchematicNode schematic = SchematicNode.getSchematicNode(SteamwarUser.get(e.getPlayer().getUniqueId()).getId(), CLIPBOARD_SCHEMNAME, (Integer) null);
-            if (schematic != null) {
-                new SchematicData(schematic).loadToPlayer(e.getPlayer());
-            }
+            schematic = SchematicNode.getSchematicNode(SteamwarUser.get(e.getPlayer().getUniqueId()).getId(), CLIPBOARD_SCHEMNAME, (Integer) null);
+        } catch (Exception ex) {
+            return;
+        }
+        if (schematic == null) return;
+        try {
+            new SchematicData(schematic).loadToPlayer(e.getPlayer());
         } catch (Exception ex) {
             // ignore cause players do all kind of stuff with schematics.... like massively oversized schems
+            schematic.delete();
         }
     }
 
     @EventHandler
     public void onLogout(PlayerQuitEvent e) {
-        if(!Permission.SUPERVISOR.hasPermission(e.getPlayer())) return;
+        if (!Permission.SUPERVISOR.hasPermission(e.getPlayer())) return;
 
         SchematicNode schematic = SchematicNode.getSchematicNode(SteamwarUser.get(e.getPlayer().getUniqueId()).getId(), CLIPBOARD_SCHEMNAME, (Integer) null);
         boolean newSchem = false;