function reload(src) {
	const assetToReload = failureLoadedAssets[src];
	this.unload(assetToReload);
	resourceCount -= 1;
	resourceCount += this.load(
		assetToReload,
		this.onResourceLoaded.bind(this, assetToReload),
		this.onLoadingError.bind(this, assetToReload),
	);
	// check load status
	checkLoadStatus(this.onload);
}
retry loading assets after a loading failure
@memberof loader
@param {string} src - src of asset to reload
@example
 event.on(
     event.LOADER_ERROR,
     (res) => {
         // custom function
         showErrorNotification({
             text: `Error during loading content: ${res.name}`,
             done: loader.reload(res.src);
         })
     }
 );