出现这种情况是因为 Xcode 无法使用您应用的签名身份对 SwiftPM 提供的框架进行签名.这是 Xcode 12 中的一个已知问题 (SR-13343).

This occurs because Xcode fails to sign the frameworks that are provided by SwiftPM with your app’s signing identity. It’s a known issue (SR-13343) in Xcode 12.

您可以在第三个框架文件上执行这些步骤来尝试修复:

You can do these steps on third framework file to try fix :

1. 选择:Siging &能力.

1. select:Siging & Capabilites.

查找:FrameWorks、库和嵌入式内容.

find : FrameWorks, Libraries, and Embedded Content.

改变:.嵌入"来自Do not Embed"的第三个框架嵌入"签到".

change : the. "embed" of the third frameworks from "Do not Embed" to "Embed & Sign".