TypeError: assembler.fillBuffers is not a function

Creator 2.x
#1

at ModelBatcher._commitComp (D:\CocosCreator2.1.2\resources\engine\bin.cache\dev\cocos2d\core\renderer\webgl\model-batcher.js:153:27)
at RenderFlow._proto._render (D:\CocosCreator2.1.2\resources\engine\bin.cache\dev\cocos2d\core\renderer\render-flow.js:70:22)
at RenderFlow._proto._children (D:\CocosCreator2.1.2\resources\engine\bin.cache\dev\cocos2d\core\renderer\render-flow.js:94:38)
at RenderFlow._proto._children (D:\CocosCreator2.1.2\resources\engine\bin.cache\dev\cocos2d\core\renderer\render-flow.js:94:38)
at RenderFlow._proto._children (D:\CocosCreator2.1.2\resources\engine\bin.cache\dev\cocos2d\core\renderer\render-flow.js:94:38)
at Function.RenderFlow.visit (D:\CocosCreator2.1.2\resources\engine\bin.cache\dev\cocos2d\core\renderer\render-flow.js:180:42)
at Object.render (D:\CocosCreator2.1.2\resources\engine\bin.cache\dev\cocos2d\core\renderer\index.js:115:32)
at cc.Director.mainLoop.now._purgeDirectorInNextLoop [as mainLoop] (D:\CocosCreator2.1.2\resources\engine\bin.cache\dev\cocos2d\core\CCDirector.js:445:26)
at EditorEngine.tickInEditMode (D:\CocosCreator2.1.2\resources\app.asar\editor\page\scene-utils\editor-engine\index.js:1:2678)
at EditorEngine._tick (D:\CocosCreator2.1.2\resources\app.asar\editor\page\scene-utils\editor-engine\index.js:1:4365)

#3

预制体打开时报这个错

#4

应该是某个渲染组件出现了异常了，逐一排查下。

#5

版本2.1.2