title: events.js:288 throw er; // Unhandled 'error' event
body: <p>I got the error while doing build in Angular 9.1.0 version.</p>
  
  <pre><code>npm run build 
  </code></pre>
  
  <p>I got bellow error,</p>
  
  <pre><code>throw er; // Unhandled 'error' event
        ^
  
  Error: write UNKNOWN
      at ChildProcess.target._send (internal/child_process.js:806:20)
      at ChildProcess.target.send (internal/child_process.js:677:19)
      at ChildProcessWorker.send (D:\PublishSource\sample\node_modules\terser-webpack-plugin\node_modules\jest-worker\build\workers\ChildProcessWorker.js:330:17)
      at WorkerPool.send (D:\PublishSource\sample\node_modules\terser-webpack-plugin\node_modules\jest-worker\build\WorkerPool.js:32:34)
      at Farm._process (D:\PublishSource\sample\node_modules\terser-webpack-plugin\node_modules\jest-worker\build\Farm.js:129:10)
      at Farm._enqueue (D:\PublishSource\sample\node_modules\terser-webpack-plugin\node_modules\jest-worker\build\Farm.js:152:10)
      at Farm._push (D:\PublishSource\sample\node_modules\terser-webpack-plugin\node_modules\jest-worker\build\Farm.js:159:12)
      at D:\PublishSource\sample\node_modules\terser-webpack-plugin\node_modules\jest-worker\build\Farm.js:90:14
      at new Promise (&lt;anonymous&gt;)
      at Farm.doWork (D:\PublishSource\sample\node_modules\terser-webpack-plugin\node_modules\jest-worker\build\Farm.js:56:12)
      at JestWorker._callFunctionWithArgs (D:\PublishSource\sample\node_modules\terser-webpack-plugin\node_modules\jest-worker\build\index.js:178:23)
      at TaskRunner.runTask (D:\PublishSource\sample\node_modules\terser-webpack-plugin\dist\TaskRunner.js:41:26)
      at enqueue (D:\PublishSource\sample\node_modules\terser-webpack-plugin\dist\TaskRunner.js:80:35)
      at D:\PublishSource\sample\node_modules\terser-webpack-plugin\dist\TaskRunner.js:104:86
  Emitted 'error' event on ChildProcess instance at:
      at internal/child_process.js:810:39
      at processTicksAndRejections (internal/process/task_queues.js:79:11) {
    errno: 'UNKNOWN',
    code: 'UNKNOWN',
    syscall: 'write'
  </code></pre>