I was trying to convert syntax of old Swift project to new one as per few suggestion on Stack Overflow I tried converting it through Edit > Convert > To latest Syntax that did not work properly instead I started getting new errors shown as below
命令/Applications/Xcode.app/Contents/Developer/toolschains/xcodefault.xctoolchain/usr/bin/swiftc
和
命令/usr/bin/ditto失败,退出代码为1