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

@@ -68,7 +68,7 @@ public class SWInventory implements Listener {
         callbacks.put(-1, inventoryClickEvent -> c.clicked(null));
     }
 
-    public void addCloseRunable(Runnable c) {
+    public void addCloseRunnable(Runnable c) {
         callbacks.put(-1, inventoryClickEvent -> c.run());
     }