Fatal error: Uncaught Error: array_column(): Argument #1 ($array) must be of type array, null given
in /var/www/vhosts/editorialtristram.es/httpdocs/wp-content/themes/plosa/menus/theme_options/class-hreflangs.php on line 103

Call stack:

1. array_column()
   wp-content/themes/plosa/menus/theme_options/class-hreflangs.php:103
2. hreflangs::alternate_langs()
   wp-content/themes/plosa/templates/header_2.php:160
3. include()
   wp-content/themes/plosa/header.php:27
4. require_once()
   wp-includes/template.php:790
5. load_template()
   wp-includes/template.php:725
6. locate_template()
   wp-includes/general-template.php:48
7. get_header()
   wp-content/themes/plosa/templates/template_search_2.php:7
8. include()
   wp-includes/template-loader.php:106
9. require_once()
   wp-blog-header.php:19
10. require()
    index.php:17