java.lang.NumberFormatException: empty String
	at jdk.internal.math.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:1842)
	at jdk.internal.math.FloatingDecimal.parseDouble(FloatingDecimal.java:110)
	at java.lang.Double.parseDouble(Double.java:662)
	at java.lang.Double.valueOf(Double.java:625)
	at com.entitcs.office_attendance.activities.Enter_Expense_Of_This_Date$e.onTextChanged(Unknown Source:59)
	at android.widget.TextView.sendOnTextChanged(TextView.java:10908)
	at android.widget.TextView.handleTextChanged(TextView.java:11023)
	at android.widget.TextView$ChangeWatcher.onTextChanged(TextView.java:13942)
	at android.text.SpannableStringBuilder.sendTextChanged(SpannableStringBuilder.java:1268)
	at android.text.SpannableStringBuilder.replace(SpannableStringBuilder.java:577)
	at android.text.SpannableStringBuilder.replace(SpannableStringBuilder.java:508)
	at android.text.SpannableStringBuilder.replace(SpannableStringBuilder.java:38)
	at android.view.inputmethod.BaseInputConnection.replaceText(BaseInputConnection.java:952)
	at android.view.inputmethod.BaseInputConnection.commitText(BaseInputConnection.java:224)
	at com.android.internal.widget.EditableInputConnection.commitText(EditableInputConnection.java:204)
	at com.android.internal.view.IInputConnectionWrapper.executeMessage(IInputConnectionWrapper.java:549)
	at com.android.internal.view.IInputConnectionWrapper$MyHandler.handleMessage(IInputConnectionWrapper.java:111)
	at android.os.Handler.dispatchMessage(Handler.java:106)
	at android.os.Looper.loopOnce(Looper.java:233)
	at android.os.Looper.loop(Looper.java:344)
	at android.app.ActivityThread.main(ActivityThread.java:8248)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:589)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1071)