Add instance reference to Main and update asset bundle loading in PrefabManager

PrefabManager.cs

@@ -37,7 +37,9 @@ namespace KCM
                     return;
                 }
 
-                assetBundle = helper.LoadAssetBundle(helper.modPath, "serverbrowserpkg");
+                // LoadAssetBundle is a static method, so we call it on the class, not the instance.
+                // We pass the modPath from the helper instance we have.
+                assetBundle = KCModHelper.LoadAssetBundle(helper.modPath, "serverbrowserpkg");
 
                 if (assetBundle == null)
                 {
@@ -75,4 +77,4 @@ namespace KCM
             }
         }
     }
-}
+}