How to fix an unknown error on your JqueryUI?

Question

Hi Team

 

I have unknown error on my DataPicker, it was working fine during the day. Until recently to some insteance it does not show any error from the browser. How can i fix such, below is my code for datepicker and jquery of it. 

 

 

 

<div class = "col-xl-10 col-lg-10 col-md-10 col-sm-12 col-16">

<div class="d-flex justify-content-start">

<div class="input-daterange input-group" id="datepicker">

<input type="text" class="input-sm form-control" name="from" placeholder="startdate"/>

<span class="input-group-addon">To</span>

<input type="text" class= "input-sm form-control" placeholder="enddate"/>

</div>

</div>

</div>

<br>

 

// date functionality

$(document).ready(function(){

$('.input-daterange').datepicker({

dateFormat: "dd-mm-yy"

});

});