为什么一直报这个错 Uncaught TypeError: Cannot read property 'isDone' of null

Creator 2.x
#1 
Uncaught TypeError: Cannot read property 'isDone' of null
    at TheClass.update (CCActionManager.js:419)
    at TheClass.update (CCScheduler.js:401)
    at TheClass.mainLoop (CCDirector.js:1383)
    at callback (CCGame.js:561)
#2

我也遇到了，你这个解决了么

#3

是不是你在动画播完之前就把node给remove了呀