Uncaught Error: Unsupported operand types: string + string
in /var/www/www-root/data/www/delfinparts.ru/wp-content/themes/auto_dalys/functions.php on line 560

Call stack:

1. get_sidebar_cat_section(array)
   wp-content/themes/auto_dalys/functions.php:756
2. render_cat_tree()
   wp-content/themes/auto_dalys/sidebar.php:4
3. require_once('/var/www/www-root/da...to_dalys/sidebar.php')
   wp-includes/template.php:810
4. load_template('/var/www/www-root/da...to_dalys/sidebar.php', true, array)
   wp-includes/template.php:745
5. locate_template(array, true, true, array)
   wp-includes/general-template.php:136
6. get_sidebar()
   wp-content/themes/auto_dalys/woocommerce/archive-product.php:62
7. include('/var/www/www-root/da.../archive-product.php')
   wp-content/plugins/woocommerce/includes/wc-core-functions.php:346
8. wc_get_template('archive-product.php')
   wp-content/plugins/woocommerce/templates/taxonomy-product-cat.php:22
9. include('/var/www/www-root/da...nomy-product-cat.php')
   wp-includes/template-loader.php:106
10. require_once('/var/www/www-root/da.../template-loader.php')
    wp-blog-header.php:19
11. require('/var/www/www-root/da...u/wp-blog-header.php')
    index.php:17