Jquery UI issue in autocomplete

i got this error

localhost/:1 Slow network is detected. Fallback font will be used while loading: https://fonts.gstatic.com/s/montserrat/v12/JTUSjIg1_i6t8kCHKm459WRhyzbi.woff2 localhost/:1 Slow network is detected. Fallback font will be used while loading: https://fonts.gstatic.com/s/montserrat/v12/JTUSjIg1_i6t8kCHKm459W1hyzbi.woff2 localhost/:1 Slow network is detected. Fallback font will be used while loading: https://fonts.gstatic.com/s/montserrat/v12/JTUSjIg1_i6t8kCHKm459WZhyzbi.woff2 localhost/:1 Slow network is detected. Fallback font will be used while loading: https://fonts.gstatic.com/s/montserrat/v12/JTUSjIg1_i6t8kCHKm459Wdhyzbi.woff2 localhost/:1 Slow network is detected. Fallback font will be used while loading: https://fonts.gstatic.com/s/montserrat/v12/JTUSjIg1_i6t8kCHKm459Wlhyw.woff2 localhost/:1 Slow network is detected. Fallback font will be used while loading: https://fonts.gstatic.com/s/lato/v14/S6uyw4BMUTPHjxAwXjeu.woff2 localhost/:1 Slow network is detected. Fallback font will be used while loading: https://fonts.gstatic.com/s/lato/v14/S6uyw4BMUTPHjx4wXg.woff2 all.js:5 Slow network is detected. Fallback font will be used while loading: https://fonts.gstatic.com/s/montserrat/v12/JTUSjIg1_i6t8kCHKm459WRhyzbi.woff2 all.js:5 Slow network is detected. Fallback font will be used while loading: https://fonts.gstatic.com/s/montserrat/v12/JTUSjIg1_i6t8kCHKm459W1hyzbi.woff2 all.js:5 Slow network is detected. Fallback font will be used while loading: https://fonts.gstatic.com/s/montserrat/v12/JTUSjIg1_i6t8kCHKm459WZhyzbi.woff2 all.js:5 Slow network is detected. Fallback font will be used while loading: https://fonts.gstatic.com/s/montserrat/v12/JTUSjIg1_i6t8kCHKm459Wdhyzbi.woff2 all.js:5 Slow network is detected. Fallback font will be used while loading: https://fonts.gstatic.com/s/montserrat/v12/JTUSjIg1_i6t8kCHKm459Wlhyw.woff2 all.js:5 Slow network is detected. Fallback font will be used while loading: https://fonts.gstatic.com/s/lato/v14/S6uyw4BMUTPHjxAwXjeu.woff2 all.js:5 Slow network is detected. Fallback font will be used while loading: https://fonts.gstatic.com/s/lato/v14/S6uyw4BMUTPHjx4wXg.woff2 jquery-3.2.1.slim.min.js:2 jQuery.Deferred exception: $(...).autocomplete is not a function TypeError: $(...).autocomplete is not a function at HTMLDocument. (http://localhost/new/laravel/OT/OT/OnlineTest/public/:454:23) at j (https://code.jquery.com/jquery-3.2.1.slim.min.js:2:30203) at k (https://code.jquery.com/jquery-3.2.1.slim.min.js:2:30517) undefined r.Deferred.exceptionHook @ jquery-3.2.1.slim.min.js:2 k @ jquery-3.2.1.slim.min.js:2 jquery-3.2.1.slim.min.js:2 Uncaught TypeError: $(...).autocomplete is not a function at HTMLDocument. ((index):454) at j (jquery-3.2.1.slim.min.js:2) at k (jquery-3.2.1.slim.min.js:2) (anonymous) @ (index):454 j @ jquery-3.2.1.slim.min.js:2 k @ jquery-3.2.1.slim.min.js:2

When im tring to use auto complete

Here is what i included

    <link href="https://fonts.googleapis.com/css?family=Montserrat" rel="stylesheet" type="text/css">
    <link href="https://fonts.googleapis.com/css?family=Lato" rel="stylesheet" type="text/css">
    <!-- custom css -->

    <!-- font aswome -->
    <script defer src="https://use.fontawesome.com/releases/v5.0.8/js/all.js" integrity="sha384-SlE991lGASHoBfWbelyBPLsUlwY1GwNDJo3jSJO04KZ33K2bwfV9YBauFfnzvynJ" crossorigin="anonymous"></script>
    <!-- bootstrap -->
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
    <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>

    <!-- jequey ui -->
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/jqueryui/1.12.1/jquery-ui.css" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js"></script>

jquery / jqueryui.com

Jquery UI issue in autocomplete #170