Is that a Bug? about sequence action

I think two functions are same.

but first the first one got error getduration()

//seq = CCSequence::actions(animAct,CCFadeOut::actionWithDuration(0.3f),CCCallFuncN::actionWithTarget(this,callfuncN_selector(LevelHelperLoader::spriteMoveFinished)));

seq = CCSequence::actionOneTwo(animAct,CCSequence::actionOneTwo(CCFadeOut::actionWithDuration(0.3f),CCCallFuncN::actionWithTarget(this,callfuncN_selector(LevelHelperLoader::spriteMoveFinished))));

what s the problem?

The last argument of CCSequence::actions() should be NULL.

Oops……………………

thanks.