Fix Schematic Upload

src/de/steamwar/bungeecore/bot/listeners/PrivateMessageListener.java

@@ -60,7 +60,7 @@ public class PrivateMessageListener extends BasicDiscordListener {
                     continue;
                 }
 
-                SchematicNode node = SchematicNode.getSchematicNode(user.getId(), name, 0);
+                SchematicNode node = SchematicNode.getSchematicNode(user.getId(), name, (Integer) null);
                 if(node == null) {
                     node = SchematicNode.createSchematic(user.getId(), name, null);
                 }