在反应项目上运行NPM启动后出错

我已将项目从以前的机器复制到我当前的机器上 . 运行 npm install 后 npm start 我的终端出现此错误

sh：react-scripts：找不到命令
错误的ERR！档案
错误的ERR！代码ELIFECYCLE
错误的ERR！ errno ENOENT
错误的ERR！系统调用生成
错误的ERR！ renew_react@0.1.0 start：'react-scripts start'
错误的ERR！产生ENOENT
错误的ERR！
错误的ERR！在renew_react@0.1.0启动脚本失败 .
错误的ERR！这可能不是npm的问题 . 有可能
上面的额外日志输出 .

错误的ERR！可以在以下位置找到此运行的完整日志：npm ERR！ /Users/TimLowe/.npm/_logs/2018-05-04T15_10_08_807Z-debug.log

_logs/2018-05-04T15_10_08_807Z-debug.log 中的代码是：

0 info it worked if it ends with ok 1 verbose cli [ '/usr/local/bin/node', '/usr/local/bin/npm', 'start' ] 2 info using npm@5.6.0 3 info using node@v10.0.0 4 verbose run-script [ 'prestart', 'start', 'poststart' ] 5 info lifecycle renew_react@0.1.0~prestart: renew_react@0.1.0 6 info lifecycle renew_react@0.1.0~start: renew_react@0.1.0 7 verbose lifecycle renew_react@0.1.0~start: unsafe-perm in lifecycle true 8 verbose lifecycle renew_react@0.1.0~start: PATH: /usr/local/lib/node_modules/npm/node_modules/npm-lifecycle/node-gyp-bin:/Users/TimLowe/Desktop/CodeBridge:WDI/project4_Renew/Renew/renew_react/node_modules/.bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/git/bin 9 verbose lifecycle renew_react@0.1.0~start: CWD: /Users/TimLowe/Desktop/CodeBridge:WDI/project4_Renew/Renew/renew_react 10 silly lifecycle renew_react@0.1.0~start: Args: [ '-c', 'react-scripts start' ] 11 info lifecycle renew_react@0.1.0~start: Failed to exec start script 12 verbose stack Error: renew_react@0.1.0 start: react-scripts启动 12 verbose stack spawn ENOENT 12 verbose stack at ChildProcess.<anonymous> (/usr/local/lib/node_modules/npm/node_modules/npm-lifecycle/lib/spawn.js:48:18) 12 verbose stack at ChildProcess.emit (events.js:182:13) 12 verbose stack at maybeClose (internal/child_process.js:947:16) 12 verbose stack at Process.ChildProcess._handle.onexit (internal/child_process.js:236:5) 13 verbose pkgid renew_react@0.1.0 14 verbose cwd /Users/TimLowe/Desktop/CodeBridge:WDI/project4_Renew/Renew/renew_react 15 verbose Darwin 15.6.0 16 verbose argv "/usr/local/bin/node" "/usr/local/bin/npm" "start" 17 verbose node v10.0.0 18 verbose npm v5.6.0 19 error file sh 20 error code ELIFECYCLE 21 error errno ENOENT 22 error syscall spawn 23 error renew_react@0.1.0 start: react-scripts启动 23 error spawn ENOENT 24 error Failed at the renew_react@0.1.0 start script. 24 error This is probably not a problem with npm. There is likely additional logging output above. 25 verbose exit [ 1, true ] 关于如何对我的机器启动做出反应的任何想法？