Смена версии Php на 7, 3 - ошибка Warning: count(): Parameter must be an array - Joomla 3.x: Установка, обновление и настройка

       if($this->profile->menu_pagination == 1 && count($this->categoryChildren) )
       {
           $this->menuPagination = $model->getPagination($model->menuTotal, $this->profile->menu_pagination_amount, 'menu_');
       }
       if($this->profile->thumb_pagination == 1 && $this->photoList != null )
       {
           $this->thumbPagination = $model->getPagination($model->thumbTotal,$this->profile->thumb_pagination_amount, 'thumb_');
       }

if($this->profile->menu_pagination == 1 && count($this->categoryChildren) )

 if($this->profile->menu_pagination == 1 && !empty($this->categoryChildren) )

if($this->profile->menu_pagination == 1 && !empty($this->categoryChildren) )