Why is my select 2 in form input modals not working when using Tags: true,

Is this a bug?
#1

$(document).ready(function() {

            $('#searchUser2').select2({

                placeholder:'Select User',

                // theme:'bootstrap4',

                tags: true ,

            });
User 
                        <select id="searchUser2"  class="form-select" name="user_id" >

                            <option disabled selected="selected" >-- Pilih User --</option>

                            @foreach ($users as $item)

                                <option value="{{ $item->id }}">

                                    {{ $item->name }}</option>

                            @endforeach

                        </select>

                    </div>