Fatal error: Uncaught Error: array_shift(): Argument #1 ($array) must be of type array, bool given
in /var/www/unecon/wp-content/themes/unecon/functions.php on line 1822

Call stack:

  1. array_shift()
    wp-content/themes/unecon/functions.php:1822
  2. yoast_seo_breadcrumb_append_link()
    wp-includes/class-wp-hook.php:324
  3. WP_Hook::apply_filters()
    wp-includes/plugin.php:205
  4. apply_filters()
    wp-content/plugins/wordpress-seo/src/generators/breadcrumbs-generator.php:172
  5. Yoast\W\S\G\Breadcrumbs_Generator::generate()
    wp-content/plugins/wordpress-seo/src/presentations/indexable-presentation.php:731
  6. Yoast\W\S\P\Indexable_Presentation::generate_breadcrumbs()
    wp-content/plugins/wordpress-seo/src/presentations/abstract-presentation.php:66
  7. Yoast\W\S\P\Abstract_Presentation::__get()
    wp-content/plugins/wordpress-seo/src/generators/schema/breadcrumb.php:37
  8. Yoast\W\S\G\S\Breadcrumb::generate()
    wp-content/plugins/wordpress-seo/src/generators/schema-generator.php:128
  9. Yoast\W\S\G\Schema_Generator::generate_graph()
    wp-content/plugins/wordpress-seo/src/generators/schema-generator.php:75
  10. Yoast\W\S\G\Schema_Generator::generate()
    wp-content/plugins/wordpress-seo/src/presentations/indexable-presentation.php:720
  11. Yoast\W\S\P\Indexable_Presentation::generate_schema()
    wp-content/plugins/wordpress-seo/src/presentations/abstract-presentation.php:66
  12. Yoast\W\S\P\Abstract_Presentation::__get()
    wp-content/plugins/wordpress-seo/src/presenters/schema-presenter.php:61
  13. Yoast\W\S\P\Schema_Presenter::get()
    wp-content/plugins/wordpress-seo/src/presenters/schema-presenter.php:45
  14. Yoast\W\S\P\Schema_Presenter::present()
    wp-content/plugins/wordpress-seo/src/integrations/front-end-integration.php:406
  15. Yoast\W\S\I\Front_End_Integration::present_head()
    wp-includes/class-wp-hook.php:324
  16. WP_Hook::apply_filters()
    wp-includes/class-wp-hook.php:348
  17. WP_Hook::do_action()
    wp-includes/plugin.php:517
  18. do_action()
    wp-content/plugins/wordpress-seo/src/integrations/front-end-integration.php:377
  19. Yoast\W\S\I\Front_End_Integration::call_wpseo_head()
    wp-includes/class-wp-hook.php:324
  20. WP_Hook::apply_filters()
    wp-includes/class-wp-hook.php:348
  21. WP_Hook::do_action()
    wp-includes/plugin.php:517
  22. do_action()
    wp-includes/general-template.php:3052
  23. wp_head()
    wp-content/themes/unecon/header.php:11
  24. require_once()
    wp-includes/template.php:790
  25. load_template()
    wp-includes/template.php:725
  26. locate_template()
    wp-includes/general-template.php:48
  27. get_header()
    wp-content/themes/unecon/single-advertdissov.php:5
  28. include()
    wp-includes/template-loader.php:106
  29. require_once()
    wp-blog-header.php:19
  30. require()
    index.php:17

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