Crash while deletion of running and paused downloads

[komica2]

 FATAL EXCEPTION: AsyncTask #1
 Process: tw.skyarrow.ehreader, PID: 12356
 java.lang.RuntimeException: An error occured while executing doInBackground()
    at android.os.AsyncTask$3.done(AsyncTask.java:300)
    at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:355)
    at java.util.concurrent.FutureTask.setException(FutureTask.java:222)
    at java.util.concurrent.FutureTask.run(FutureTask.java:242)
    at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
    at java.lang.Thread.run(Thread.java:841)
 Caused by: java.lang.NullPointerException: name == null
    at java.io.File.<init>(File.java:150)
    at java.io.File.<init>(File.java:124)
    at tw.skyarrow.ehreader.db.PhotoBase.getFile(PhotoBase.java:41)
    at tw.skyarrow.ehreader.app.download.DownloadDeleteDialog$GalleryDeleteTask.doInBackground(DownloadDeleteDialog.java:97)
    at tw.skyarrow.ehreader.app.download.DownloadDeleteDialog$GalleryDeleteTask.doInBackground(DownloadDeleteDialog.java:88)
    at android.os.AsyncTask$2.call(AsyncTask.java:288)
    at java.util.concurrent.FutureTask.run(FutureTask.java:237)
    ... 4 more