sprite加载图片报[ERROR]: internal error: loader handle pipe must be skipped

Creator 2.x
#1

新手遇到的问题
sprite加载图片报[ERROR]: internal error: loader handle pipe must be skipped
但没啥影响 程序能正常运行
请问这个报错有啥其他影响吗 怎么debug掉

let imageId = 1 + Math.round(rand * range);
this.bgImage.spriteFrame = new cc.SpriteFrame(cc.url.raw(‘resources/textures/bg’ + imageId + ‘.jpg’));

#2 
    查文档，已解决
    var self = this;
    cc.loader.loadRes('textures/bg' + imageId, cc.SpriteFrame, function (err, spriteFrame) {
        self.bgImage.spriteFrame = spriteFrame;
    });