Warning.style.display = "none";
        }, 5000);
      } else {
        canvas.style.width = "{{{ WIDTH }}}px";
        canvas.style.height = "{{{ HEIGHT }}}px";
      }
#if BACKGROUND_FILENAME
      canvas.style.background = "url('" + buildUrl + "/{{{ BACKGROUND_FILENAME.replace(/'/g, '%27') }}}') center / cover";
#endif
      loadingBar.style.display = "block";

      var script = document.createElement("script");
      script.src = loaderUrl;
      script.onload = () => {
        createUnityInstance(can