SceneKit - error Thread 1: "*** -[NSPathStore2 stringByAppendingPathExtension:]: nil argument

Question

Created Jun ’23

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We are trying to save scene into usdz by using scene?.write method , which seems to work as expected until iOS 17.

in iOS 17 we are getting error Thread 1: "*** -[NSPathStore2 stringByAppendingPathExtension:]: nil argument which seems to be because of scenekit issue attaching StackTrace screenshot for reference

we have used updated method for url in scene?.write(to : url, delegate:nil) where url has been generated using .appending(path: String) method

Screenshot 2023-06-08 at 10.49.22 AM.png

Boost

Answer 1

JohnnyBanana OP

Jun ’23

I have the exact same problem with iOS 17, it seems that changing the file ending to ".scn" will export the fully intact scene but I could not find a way to do the same with usdz

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Answer 2

mrtn OP

Jul ’23

I am still running into this error on visionOS (using Xcode 15 beta 3), with both .usdz and .scn files.

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