Xamarin.Forms IOS error replacing existing signature

Question

I think this error started happening after I change the provisioning profile.

My app is on visual 2017 Xamarin.Forms project and building through on Windows PC connected to a MAC book. The Android and UWP projects works fine.

I have tried:

• uninstalling / reinstalling skiasharp package
• uninstalling Xamarin.IOS with the uninstall script and emptying the cache folder on the MAC side
• Allow full access to the keychains to all applications

Here is the error:

/Users/myusername/Library/Caches/Xamarin/mtbs/buildsenter code here/MyAppName.iOS/ec3fa8c87274cfb85c8423bb8f475608/bin/iPhone/Debug/MyAppName.iOS.app/Frameworks/libSkiaSharp.framework/libSkiaSharp: replacing existing signature /Users/myusername/Library/Caches/Xamarin/mtbs/builds/MyAppName.iOS/ec3fa8c87274cfb85c8423bb8f475608/bin/iPhone/Debug/MyAppName.iOS.app/Frameworks/libSkiaSharp.framework/libSkiaSharp: unknown error -1=ffffffffffffffff

Here is a related post but I don't understand it:

Codesign returns unknown error after "replacing existing signature"

UPDATE: More of the output after new version update to Xamarin.IOS v11:

Bundle Id: SentinelMobileTest
3>  App Id: XXXXXXXXX.SentinelMobileTest
3>  warning: no debug symbols in executable (-arch armv7)
3>  warning: no debug symbols in executable (-arch arm64)
3>/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/strip: changes being made to the file will invalidate the code signature in: /Users/ericbourque/Library/Caches/Xamarin/mtbs/builds/SentinelMobile.iOS/ec3fa8c87274cfb85c8423bb8f475608/bin/iPhone/Debug/SentinelMobile.iOS.app/Frameworks/libSkiaSharp.framework/libSkiaSharp (for architecture armv7)
3>/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/strip: changes being made to the file will invalidate the code signature in: /Users/ericbourque/Library/Caches/Xamarin/mtbs/builds/SentinelMobile.iOS/ec3fa8c87274cfb85c8423bb8f475608/bin/iPhone/Debug/SentinelMobile.iOS.app/Frameworks/libSkiaSharp.framework/libSkiaSharp (for architecture arm64)
3>/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/strip: removing global symbols from a final linked no longer supported.  Use -exported_symbols_list at link time when building: /Users/ericbourque/Library/Caches/Xamarin/mtbs/builds/SentinelMobile.iOS/ec3fa8c87274cfb85c8423bb8f475608/bin/iPhone/Debug/SentinelMobile.iOS.app/SentinelMobile.iOS (for architecture armv7)
3>/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/strip: removing global symbols from a final linked no longer supported.  Use -exported_symbols_list at link time when building: /Users/ericbourque/Library/Caches/Xamarin/mtbs/builds/SentinelMobile.iOS/ec3fa8c87274cfb85c8423bb8f475608/bin/iPhone/Debug/SentinelMobile.iOS.app/SentinelMobile.iOS (for architecture arm64)
3>C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(1689,3): error : /Users/ericbourque/Library/Caches/Xamarin/mtbs/builds/SentinelMobile.iOS/ec3fa8c87274cfb85c8423bb8f475608/bin/iPhone/Debug/SentinelMobile.iOS.app/Frameworks/libSkiaSharp.framework/libSkiaSharp: replacing existing signature
3>C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\MSBuild\Xamarin\iOS\Xamarin.iOS.Common.targets(1689,3): error : /Users/ericbourque/Library/Caches/Xamarin/mtbs/builds/SentinelMobile.iOS/ec3fa8c87274cfb85c8423bb8f475608/bin/iPhone/Debug/SentinelMobile.iOS.app/Frameworks/libSkiaSharp.framework/libSkiaSharp: unknown error -1=ffffffffffffffff

Answer 1

问题是有多个证书和配置文件。

自动签名不知道要使用哪个配置文件。

适用于我的解决方案步骤：

1. 删除并撤消Apple Developper中与您的应用程序ID相匹配的所有证书，应用程序ID和配置文件
2. 删除用于编译的MAC中包含证书或应用程序ID的所有钥匙串

3. 使用您可以轻松识别的名称和新的捆绑包ID制作新的（旧的捆绑包ID仍将在Visual Studio列表中）

4. 享受干净的编译。

如果有人知道更干净的方法可以发布。