To reproduce the error:
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cd ExpoProject
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npx expo install expo-image-picker
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npx expo install expo-image-manipulator
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npm install react-native-image-colors
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npx expo prebuild
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npx expo run:ios
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npx expo start
Then, once the app starts go to select an image on the left column (white background) and see the console error:
'TypeError: null is not an object (evaluating '_module.RNImageColors.getColors')'
If no error, do the same on the right column