Deleting file and download again the same file not working

When deleting file from the file explorer and download the same file again always failing

In iOS it is working, Issue with android device only.

**Steps:**
1. download a file (FlutterDownloader.enqueue())
2. delete the file manually from downloads
3. download the same file FlutterDownloader.enqueue())

**Console Erro:**
D/DownloadWorker(12373): Update notification: {notificationId: 8, title: GOA-1924573-2180476 (2).pdf, status: FAILED, progress: -1}

W/System.err(12373): java.lang.NullPointerException

W/System.err(12373): at vn.hunghd.flutterdownloader.DownloadWorker.downloadFile(DownloadWorker.kt:385)

W/System.err(12373): at vn.hunghd.flutterdownloader.DownloadWorker.doWork(DownloadWorker.kt:206)

W/System.err(12373): at androidx.work.Worker$1.run(Worker.java:86)

W/System.err(12373): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)

W/System.err(12373): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)

W/System.err(12373): at java.lang.Thread.run(Thread.java:919)

I/WM-WorkerWrapper(12373): Worker result FAILURE for Work [ id=4ef9a1d3-ff16-467f-b797-5fb7d3a981b5, tags={ flutter_download_task, vn.hunghd.flutterdownloader.DownloadWorker } ]