fix

haxework/net/BaseLoader.hx

@@ -69,8 +69,16 @@ class BaseLoader<T> implements ILoader<T> {
     if (StringTools.startsWith(url, "%assets%")) {
       var path:String = url.substring(9);
       var bytes:ByteArray = openfl.Assets.getBytes(path);
+      if (bytes == null) {
+        Timer.delay(function() {
+          var c:ICallback<T> = callback;
+          dispose();
+          c.callFail("Bytes is null for asset: " + path);
+        }, 1);
+      } else {
         return fromBytes(bytes);
       }
+    }
     #end
     return request(url, URLRequestMethod.GET, data);
   }