java.lang.NullPointerException: Cannot load null bitmap.
	at org.tensorflow.lite.support.common.SupportPreconditions.checkNotNull(SupportPreconditions.java:47)
	at org.tensorflow.lite.support.image.BitmapContainer.<init>(BitmapContainer.java:42)
	at org.tensorflow.lite.support.image.BitmapContainer.create(BitmapContainer.java:38)
	at org.tensorflow.lite.support.image.TensorImage.load(TensorImage.java:136)
	at org.tensorflow.lite.support.image.TensorImage.fromBitmap(TensorImage.java:99)
	at com.entitcs.office_attendance.fragments.After_Taking_Group_Attendance.trainImageForGroupAttendance(After_Taking_Group_Attendance.java:1267)
	at com.entitcs.office_attendance.fragments.After_Taking_Group_Attendance.onCreateView(After_Taking_Group_Attendance.java:357)
	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$5.run(FragmentManager.java:524)
	at android.os.Handler.handleCallback(Handler.java:883)
	at android.os.Handler.dispatchMessage(Handler.java:100)
	at android.os.Looper.loop(Looper.java:238)
	at android.app.ActivityThread.main(ActivityThread.java:7824)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:981)