Scene.render() with nm error

I change the nm inputBlock and then the error occurred.
I have no idea that what can cause this problem.Anybody can provide me some advice?
image

Can I ask - are you using the es6 packages? it is possible you need to import the right blocks in order for that to work

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I resolve the problem.It still report an error in IDE,but it works correctly.I will check what type packages i use.Thanks for your reply.

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