Xcode报错 Multiple commands produ

:-1: Multiple commands produce '/Users/abc/Library/Developer/Xcode/DerivedData/RAJ-emibktrijitmzdhjcwgpnpfvprzg/Build/Products/Debug-iphonesimulator/RAJ.app/LICENSE':
1) Target 'RAJ' (project 'RAJ') has copy command from '/Users/abc/work/ronganju_ios/RAJ/VC/Mine/myControl/AGEmojiKeyboard/LICENSE' to '/Users/abc/Library/Developer/Xcode/DerivedData/RAJ-emibktrijitmzdhjcwgpnpfvprzg/Build/Products/Debug-iphonesimulator/RAJ.app/LICENSE'
2) Target 'RAJ' (project 'RAJ') has copy command from '/Users/abc/work/ronganju_ios/RAJ/VC/Mine/myControl/MLSelectPhoto/LICENSE' to '/Users/abc/Library/Developer/Xcode/DerivedData/RAJ-emibktrijitmzdhjcwgpnpfvprzg/Build/Products/Debug-iphonesimulator/RAJ.app/LICENSE'

解决办法：我找到了这个构建错误的解决方案，对于其他任何与Xcode 10构建系统有相同问题的人，请按照以下步骤进行修复：

In Xcode, go to File->Project/Workspace settings.
Change the build system to Legacy Build system.