NullPointerException

[lingling-fan]

//package name: com.michaldabski.filemanager //version: 0.5 java.lang.RuntimeException: An error occured while executing doInBackground() at android.os.AsyncTask$3.done(AsyncTask.java:299) at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:352) at java.util.concurrent.FutureTask.setException(FutureTask.java:219) at java.util.concurrent.FutureTask.run(FutureTask.java:239) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573) at java.lang.Thread.run(Thread.java:841) Caused by: java.lang.NullPointerException at com.michaldabski.filemanager.clipboard.Clipboard.pasteFile(Clipboard.java:107) at com.michaldabski.filemanager.clipboard.Clipboard.paste(Clipboard.java:143) at com.michaldabski.filemanager.folders.FolderFragment$4.doInBackground(FolderFragment.java:478) at com.michaldabski.filemanager.folders.FolderFragment$4.doInBackground(FolderFragment.java:448) at android.os.AsyncTask$2.call(AsyncTask.java:287) at java.util.concurrent.FutureTask.run(FutureTask.java:234)