Xcode報錯:
<unknown>:0: error: filename "Records+CoreDataProperties.swift" used twice: '/Users/UserName/Documents/ProjectName/Records+CoreDataProperties.swift' and '/Users/UserName/Library/Developer/Xcode/DerivedData/ProjectName-ewybzckfwcaoafaiybvcjrlyfsou/Build/Intermediates/ProjectName.build/Debug-iphoneos/ProjectName.build/DerivedSources/CoreDataGenerated/UserRecords/Records+CoreDataProperties.swift'
解決方法
嘗試了刪除DerivedScourceswe文件夾里面的緩存文件也沒用。
最后在stackoverflow上找到了答案
1.把Codegen改成Manual/None

關鍵一步
2.刪除緩存文件
復制報錯的地方提示的重復的文件的地方,F(xiàn)inder 前往這個地址
/Users/UserName/Library/Developer/Xcode/DerivedData/ProjectName-ewybzckfwcaoafaiybvcjrlyfsou/Build/Intermediates/ProjectName.build/Debug-iphoneos/ProjectName.build/DerivedSources
這里面的都是項目的緩存,我把當前項目刪了