In Dynamic form Kartik Datetimepicker is not working


<div class="row">

        <div class="panel panel-default">

            <div class="panel-heading"><h4><i class="glyphicon glyphicon-envelope"></i>Pickup Points</h4></div>

                <div class="panel-body">

                    <?php DynamicFormWidget::begin([

                        'widgetContainer' => 'dynamicform_wrapper', // required: only alphanumeric characters plus "_" [A-Za-z0-9_]

                        'widgetBody' => '.container-items', // required: css class selector

                        'widgetItem' => '.item', // required: css class

                        'limit' => 5, // the maximum times, an element can be cloned (default 999)

                        'min' => 1, // 0 or 1 (default 1)

                        'insertButton' => '.add-item', // css class

                        'deleteButton' => '.remove-item', // css class

                        'model' => $modelsChild[0],

                        'formId' => 'dynamic-form',

                        'formFields' => [

                            'pickup_Name',

                            'Pickup_Address',

                            'pickup_lat',

                            'pickup_long',

                            'pickup_Datetime',

                            'pickup_Mobileno',

                        ],

                    ]); ?>


                <div class="container-items"><!-- widgetContainer -->

                    <?php foreach ($modelsChild as $i => $modelChild): ?>

                        <div class="item panel panel-default"><!-- widgetBody -->

                            <div class="panel-heading">

                                <h3 class="panel-title pull-left">Pickup Points</h3>

                                <div class="pull-right">

                                    <button type="button" class="add-item btn btn-success btn-xs"><i class="glyphicon glyphicon-plus"></i></button>

                                    <button type="button" class="remove-item btn btn-danger btn-xs"><i class="glyphicon glyphicon-minus"></i></button>

                                </div>

                                <div class="clearfix"></div>

                            </div>

                        <div class="panel-body">

                            <?php

                                // necessary for update action.

                                if (! $modelChild->isNewRecord) {

                                    echo Html::activeHiddenInput($modelChild, "[{$i}]Load_ID");

                                }

                            ?>

                            <div class="row">

                                <div class="col-sm-12">

                                    <?= $form->field($modelChild, "[{$i}]pickup_Name")->textInput(['maxlength' => true]) ?>

                                </div>                              

                            </div> 

                            <div class="row">

                                <div class="col-sm-6">

                                    <?= $form->field($modelChild, "[{$i}]Pickup_Address")->textInput(['maxlength' => true]) ?>

                                </div>

                                <div class="col-sm-6">

                                    <?= $form->field($modelChild, "[{$i}]pickup_lat")->textInput(['maxlength' => true]) ?>

                                </div>

                            </div>

                            <div class="row">

                                <div class="col-sm-6">

                                    <?= $form->field($modelChild, "[{$i}]pickup_long")->textInput(['maxlength' => true]) ?>

                                </div>

                                <div class="col-sm-6">

                                    <?php

                                        echo $form->field($modelChild, "[{$i}]pickup_Datetime")->widget(DatePicker::classname(), [

                                        'options' => ['placeholder' => 'Please enter employment end date'],

                                        'pluginOptions' => [

                                        'autoclose'=>true,

                                        'format' => 'dd/mm/yyyy'

                                        ]

                                        ]);

                                        ?>

                                    <?php $form->field($modelChild, "[{$i}]pickup_Datetime")->textInput(['maxlength' => true]) ?>

                                </div>

                            </div>

                            <div class="row">

                                <div class="col-sm-6">

                                    <?= $form->field($modelChild, "[{$i}]pickup_Mobileno")->textInput(['maxlength' => true]) ?>

                                </div>                              

                            </div>

                    </div>

                </div>

            <?php endforeach; ?>

            </div>

            <?php DynamicFormWidget::end(); ?>

        </div>

    </div>

</div>