java.lang.NullPointerException: Attempt to invoke virtual method 'int android.graphics.Bitmap.getWidth()' on a null object reference
	at com.google.android.gms.vision.Frame$Builder.setBitmap(Unknown Source:3)
	at com.entitcs.office_attendance.fragments.After_Taking_Group_Attendance.trainImageForGroupAttendance(After_Taking_Group_Attendance.java:1294)
	at com.entitcs.office_attendance.fragments.After_Taking_Group_Attendance.onCreateView(After_Taking_Group_Attendance.java:358)
	at androidx.fragment.app.Fragment.performCreateView(Fragment.java:2963)
	at androidx.fragment.app.FragmentStateManager.createView(FragmentStateManager.java:518)
	at androidx.fragment.app.FragmentStateManager.moveToExpectedState(FragmentStateManager.java:282)
	at androidx.fragment.app.FragmentManager.executeOpsTogether(FragmentManager.java:2189)
	at androidx.fragment.app.FragmentManager.removeRedundantOperationsAndExecute(FragmentManager.java:2100)
	at androidx.fragment.app.FragmentManager.execPendingActions(FragmentManager.java:2002)
	at androidx.fragment.app.FragmentManager$5.run(FragmentManager.java:524)
	at android.os.Handler.handleCallback(Handler.java:873)
	at android.os.Handler.dispatchMessage(Handler.java:99)
	at android.os.Looper.loop(Looper.java:201)
	at android.app.ActivityThread.main(ActivityThread.java:6820)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:547)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:922)