Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function "filter_breadcrumb_wpse_88254" not found or invalid function name in /home/clients/5afe788eee331600bcbeced0a26b3082/sites/wyser.ch/web/wp-includes/class-wp-hook.php:324
Stack trace:
#0 /home/clients/5afe788eee331600bcbeced0a26b3082/sites/wyser.ch/web/wp-includes/plugin.php(205): WP_Hook->apply_filters('<span><a href="...', Array)
#1 /home/clients/5afe788eee331600bcbeced0a26b3082/sites/wyser.ch/web/wp-content/plugins/wordpress-seo/src/presenters/breadcrumbs-presenter.php(163): apply_filters('wpseo_breadcrum...', '<span><a href="...', Array)
#2 /home/clients/5afe788eee331600bcbeced0a26b3082/sites/wyser.ch/web/wp-content/plugins/wordpress-seo/src/presenters/breadcrumbs-presenter.php(61): Yoast\WP\SEO\Presenters\Breadcrumbs_Presenter->crumb_to_link(Array, 0, 2)
#3 /home/clients/5afe788eee331600bcbeced0a26b3082/sites/wyser.ch/web/wp-content/plugins/wordpress-seo/src/deprecated/frontend/breadcrumbs.php(142): Yoast\WP\SEO\Presenters\Breadcrumbs_Presenter->present()
#4 /home/clients/5afe788eee331600bcbeced0a26b3082/sites/wyser.ch/web/wp-content/plugins/wordpress-seo/src/deprecated/frontend/breadcrumbs.php(83): WPSEO_Breadcrumbs->render()
#5 /home/clients/5afe788eee331600bcbeced0a26b3082/sites/wyser.ch/web/wp-content/plugins/wordpress-seo/inc/wpseo-functions.php(31): WPSEO_Breadcrumbs::breadcrumb('<p id="breadcru...', '</p>', true)
#6 /home/clients/5afe788eee331600bcbeced0a26b3082/sites/wyser.ch/web/wp-content/themes/wyser/search.php(23): yoast_breadcrumb('<p id="breadcru...', '</p>')
#7 /home/clients/5afe788eee331600bcbeced0a26b3082/sites/wyser.ch/web/wp-includes/template-loader.php(106): include('/home/clients/5...')
#8 /home/clients/5afe788eee331600bcbeced0a26b3082/sites/wyser.ch/web/wp-blog-header.php(19): require_once('/home/clients/5...')
#9 /home/clients/5afe788eee331600bcbeced0a26b3082/sites/wyser.ch/web/index.php(17): require('/home/clients/5...')
#10 {main}
thrown in /home/clients/5afe788eee331600bcbeced0a26b3082/sites/wyser.ch/web/wp-includes/class-wp-hook.php on line 324
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