Read file zip not success

[AnhDTN]

I'm try rewrite example. but get error "com.facebook.jni.CppException: [enforce fail at inline_container.cc:137] . PytorchStreamReader failed reading zip archive: failed finding central directory
(no backtrace available) ", model i copy to project example of you, not create model with first step in tutorials "https://towardsdatascience.com/object-detector-android-app-using-pytorch-mobile-neural-network-407c419b56cd" :'( please help me