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`flutter_des` does not specify a Swift version and none of the targets (`Runner`) integrating it have the `SWIFT_VERSION` attribute set. Please contact the author or set the `SWIFT_VERSION` attribute in at least one of the targets that integrate this pod.
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If it's your package error, I Will Change Another Relative Packages Before You Fixed it
If Not, Please Tell Me How To Fixed My Project, TNANK YOU
When I Run(In my own flutter project root):
If it's your package error, I Will Change Another Relative Packages Before You Fixed it
If Not, Please Tell Me How To Fixed My Project, TNANK YOU
From Rookie flutter app developer