SpigotCore_Main/src/de/steamwar/inventory/SchematicSelector.java

@@ -41,7 +41,8 @@ public class SchematicSelector {
     @Getter
     private SteamwarUser user;
     @Getter
-    private final Consumer<SchematicNode> callback;
+    @Setter
+    private Consumer<SchematicNode> callback;
     private final SelectorTarget target;
     @Getter
     private final SelectorFilter filter = new SelectorFilter();