Flutter — Command /bin/sh failed with exit code 255 , Unable to load Asset , No address associated with hostname

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Flutter — iOS: Command /bin/sh failed with exit code 255

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goto ios folder run below commands:

flutter clean

flutter build ios

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SocketException: Failed host lookup: ‘node1.bitcoiin.com’ (OS Error: No address associated with hostname, errno = 7)

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1.

Make sure you are online, you are connected to internet whether it is mobile or emulator

2.

make sure you have given internet permission in your app's android/app/src/main/AndroidManifest.xml

<uses-permission android:name="android.permission.INTERNET" /> 

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Unable to load Asset — wrong indentation in pubspec.yaml

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Spaces are significant in YAML

assets is indented too far

flutter:
 uses-material-design: true
 assets:
 — images/default.png
 — images/cat.jpg