Uncaught TypeError: Cannot read property ‘width’ of null
at Object._rebuildQuads_base (CCScale9Sprite.js:108)
at TheClass._rebuildQuads (CCScale9Sprite.js:1479)
at 213.cc.Scale9Sprite.WebGLRenderCmd.213.proto.updateTransform (CCScale9SpriteWebGLRenderCmd.js:89)
at 213.cc.Scale9Sprite.WebGLRenderCmd.transform (CCSGNodeBaseRenderCmd.js:283)
at 213.cc.Scale9Sprite.WebGLRenderCmd._syncStatus (CCSGNodeBaseRenderCmd.js:560)
at 213.cc.Scale9Sprite.WebGLRenderCmd.visit (CCSGNodeBaseRenderCmd.js:399)
at TheClass.visit (CCSGNode.js:1866)
at ccsg_Node.visit (CCSGNode.js:1877)
at ccsg_Node.visit (CCSGNode.js:1886)
at TheClass.visit (CCSGNode.js:1886)
浏览器报错，哪位大侠帮忙看看这是什么错误？是底层的，定位不到自己的代码，而且这个错误是偶尔出现