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I recently upgraded my Flutter project to version 3.24.0 and started encountering the error

"TypeError: Cannot read properties of undefined" on the web platform. This error didn't occur in previous versions.

I've tried the following solutions without success:

  • flutter pub cache clean
  • flutter pub cache repair
  • Downgrading the Dart SDK version in pubspec.yaml to sdk: '>=3.3.0 <4.0.0' I'm running out of ideas and would appreciate any help.

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  • You use Lottie in your code, check it, what is it? it's a package or something? Commented Sep 17, 2024 at 2:04
  • Yes it's a package ,but the problem is not in package , undefined (reading X) X change in every run @gopelkujo Commented Sep 17, 2024 at 7:34
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