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In Terminal getting the following message running code using gfortran. Seems to be an Xcode 12.5 on Big Sur and M1 chip:

objc[1554]: Class AMSupportURLConnectionDelegate is implemented in both /usr/lib/libauthinstall.dylib (0x1f2022c10) and /System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice (0x1147bc2b8). One of the two will be used. Which one is undefined.
objc[1554]: Class AMSupportURLSession is implemented in both /usr/lib/libauthinstall.dylib (0x1f2022c60) and /System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice (0x1147bc308). One of the two will be used. Which one is undefined.

suggestions?

Vladimir F Героям слава
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techwizard1000
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  • possibly of use? https://stackoverflow.com/questions/65089767/class-amsupporturlconnectiondelegate-is-implemented-in-both – Kay V Jan 04 '22 at 18:47

2 Answers2

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My issue was related to changing the username on my Mac account. I resolved this by deleting the ~/Library/Developer/Xcode/DerivedData folder.

Jayson Brennan
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Solved this problem. Force delete everything in ~/.pub-cahe/hosted/pub.dartlang.org and then in the project in the flutter pub get console

Никита Светлаков
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