FRONTEND_MVC/modules/manager/views/default/topicCreate.php

<?php

$this->title = 'Добавить новый рубрику';
$this->params['breadcrumbs'][] = ['label' => 'Рубрики', 'url' => ['topiclist']];
$this->params['breadcrumbs'][] = $this->title;
?>
    <?= $this->render('formTopic', [
        'model' => $model,
    ]) ?>