将模块从Cocoa Pods迁移到Swift Package Manager

I am using this git library but unfortunately I am getting this error when trying to build the app on another Simulator that I haven't used before:

Swift 5.2编译器无法导入使用Swift 5.1.2编译的模块

我打开一个问题,创建者告诉我要使用Swift Package Manager安装模块。

Never done before so I uninstalled it from CocoaPods and followed this tutorial to install the module.

安装后,我收到此错误消息,并且无法运行我的应用程序:

使用旧版构建系统时不支持软件包,但是当前工作空间已启用它

有谁知道如何解决这个问题?