Xcode 10.2.1 Multiple commands produce看似和Xcode 10 Error:Multiple commands produce問題及解決方案一樣，實際又不一樣。因為Xcode 10 是說的你的工程中加載了無法識别的LICENSE和README.md檔案，而Xcode 10.2.1說的是你工程的配置中有非法的LICENSE和Info.plist。
解決方案：找到工程->主 Target ->Build Phases->Copy Bundle Resources。删除非法的LICENSE和Info.plist配置，重新編譯工程就可以了。
:-1: Multiple commands produce '/Users/jiaguoshang/Library/Developer/Xcode/DerivedData/OutdoorClub-ebmcvvnlqbixewbxvyltfwbntbhj/Build/Products/Debug-iphoneos/OutdoorClub.app/Info.plist':
1) Target 'OutdoorClub' (project 'OutdoorClub') has copy command from '/Users/jiaguoshang/Desktop/beifen/吉利公司檔案/OutdoorClub的副本/OutdoorClub/Info.plist' to '/Users/jiaguoshang/Library/Developer/Xcode/DerivedData/OutdoorClub-ebmcvvnlqbixewbxvyltfwbntbhj/Build/Products/Debug-iphoneos/OutdoorClub.app/Info.plist'
2) Target 'OutdoorClub' (project 'OutdoorClub') has process command with output '/Users/jiaguoshang/Library/Developer/Xcode/DerivedData/OutdoorClub-ebmcvvnlqbixewbxvyltfwbntbhj/Build/Products/Debug-iphoneos/OutdoorClub.app/Info.plist'
1) Target 'OutdoorClub' (project 'OutdoorClub') has copy command from '/Users/jiaguoshang/Desktop/beifen/吉利公司檔案/OutdoorClub的副本/OutdoorClub/lib/ModuleManager/LICENSE' to '/Users/jiaguoshang/Library/Developer/Xcode/DerivedData/OutdoorClub-ebmcvvnlqbixewbxvyltfwbntbhj/Build/Products/Debug-iphoneos/OutdoorClub.app/LICENSE'
2) Target 'OutdoorClub' (project 'OutdoorClub') has copy command from '/Users/jiaguoshang/Desktop/beifen/吉利公司檔案/OutdoorClub的副本/OutdoorClub/lib/NJKWebViewProgress/LICENSE' to '/Users/jiaguoshang/Library/Developer/Xcode/DerivedData/OutdoorClub-ebmcvvnlqbixewbxvyltfwbntbhj/Build/Products/Debug-iphoneos/OutdoorClub.app/LICENSE'
3) Target 'OutdoorClub' (project 'OutdoorClub') has copy command from '/Users/jiaguoshang/Desktop/beifen/吉利公司檔案/OutdoorClub的副本/OutdoorClub/lib/UXBadgeView/LICENSE' to '/Users/jiaguoshang/Library/Developer/Xcode/DerivedData/OutdoorClub-ebmcvvnlqbixewbxvyltfwbntbhj/Build/Products/Debug-iphoneos/OutdoorClub.app/LICENSE'
4) Target 'OutdoorClub' (project 'OutdoorClub') has copy command from '/Users/jiaguoshang/Desktop/beifen/吉利公司檔案/OutdoorClub的副本/OutdoorClub/lib/UXCommonShare/LICENSE' to '/Users/jiaguoshang/Library/Developer/Xcode/DerivedData/OutdoorClub-ebmcvvnlqbixewbxvyltfwbntbhj/Build/Products/Debug-iphoneos/OutdoorClub.app/LICENSE'
5) Target 'OutdoorClub' (project 'OutdoorClub') has copy command from '/Users/jiaguoshang/Desktop/beifen/吉利公司檔案/OutdoorClub的副本/OutdoorClub/lib/UXJSBridgePlugins/LICENSE' to '/Users/jiaguoshang/Library/Developer/Xcode/DerivedData/OutdoorClub-ebmcvvnlqbixewbxvyltfwbntbhj/Build/Products/Debug-iphoneos/OutdoorClub.app/LICENSE'
6) Target 'OutdoorClub' (project 'OutdoorClub') has copy command from '/Users/jiaguoshang/Desktop/beifen/吉利公司檔案/OutdoorClub的副本/OutdoorClub/lib/UXTabBarController/LICENSE' to '/Users/jiaguoshang/Library/Developer/Xcode/DerivedData/OutdoorClub-ebmcvvnlqbixewbxvyltfwbntbhj/Build/Products/Debug-iphoneos/OutdoorClub.app/LICENSE'
7) Target 'OutdoorClub' (project 'OutdoorClub') has copy command from '/Users/jiaguoshang/Desktop/beifen/吉利公司檔案/OutdoorClub的副本/OutdoorClub/lib/UXURLRouter/LICENSE' to '/Users/jiaguoshang/Library/Developer/Xcode/DerivedData/OutdoorClub-ebmcvvnlqbixewbxvyltfwbntbhj/Build/Products/Debug-iphoneos/OutdoorClub.app/LICENSE'
8) Target 'OutdoorClub' (project 'OutdoorClub') has copy command from '/Users/jiaguoshang/Desktop/beifen/吉利公司檔案/OutdoorClub的副本/OutdoorClub/lib/WebViewJavascriptBridge/LICENSE' to '/Users/jiaguoshang/Library/Developer/Xcode/DerivedData/OutdoorClub-ebmcvvnlqbixewbxvyltfwbntbhj/Build/Products/Debug-iphoneos/OutdoorClub.app/LICENSE'
問題截圖
待删除的LICENSE和nfo.plist檔案圖