Обновление превью товаров и swiper [РЕШЕНО]

Fatal error: Uncaught Error: Call to a member function getService() on null in C:\OSPanel21\domains\zapchasti33.ru\regen.php:4 Stack trace: #0 {main} thrown in C:\OSPanel21\domains\zapchasti33.ru\regen.php on line 4

$miniShop2 = $modx->getService('minishop2');

<div id="msGallery">
    {if $files?}
        {set $slides = ''}
        {foreach $files as $file}
            {set $slides = $slides ~ '<div class="swiper-slide"><img src="assets/images/products/{$_modx->resource.id}/'~$file['file']~'" alt="'~$file['name']~'" title="'~$file['name']~'"></div>'}
        {/foreach}
        <div class="swiper mySwiper2">
            <div class="swiper-wrapper">
                {$slides}
            </div>
            <div class="swiper-button-next"></div>
            <div class="swiper-button-prev"></div>
        </div>
        <div class="swiper mySwiper">
            <div class="swiper-wrapper">
               {$slides}
            </div>
        </div>
    {else}
        <img src="{('assets_url' | option) ~ 'components/minishop2/img/web/ms2_medium.png'}"
             srcset="{('assets_url' | option) ~ 'components/minishop2/img/web/ms2_medium@2x.png'} 2x"
             alt="" title=""/>
    {/if}
</div>