java.lang.RuntimeException: An error occurred while executing doInBackground()
	at android.os.AsyncTask$4.done(AsyncTask.java:399)
	at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:383)
	at java.util.concurrent.FutureTask.setException(FutureTask.java:252)
	at java.util.concurrent.FutureTask.run(FutureTask.java:271)
	at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:289)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
	at java.lang.Thread.run(Thread.java:919)
Caused by: java.lang.RuntimeException: Can't toast on a thread that has not called Looper.prepare()
	at android.widget.Toast$TN.<init>(Toast.java:407)
	at android.widget.Toast.<init>(Toast.java:121)
	at android.widget.Toast.makeText(Toast.java:286)
	at android.widget.Toast.makeText(Toast.java:276)
	at com.entitcs.office_attendance.fragments.After_Taking_Group_Attendance.getBitmapFromPath(After_Taking_Group_Attendance.java:544)
	at com.entitcs.office_attendance.fragments.After_Taking_Group_Attendance$2.doInBackground(After_Taking_Group_Attendance.java:427)
	at com.entitcs.office_attendance.fragments.After_Taking_Group_Attendance$2.doInBackground(After_Taking_Group_Attendance.java:411)
	at android.os.AsyncTask$3.call(AsyncTask.java:378)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	... 4 more