Fatal error: Uncaught TypeError: array_multisort(): Argument #3 must be an array or a sort flag in /home/www/domains/arcus.pl/public_html/wp-content/themes/xtra-child/functions.php:248 Stack trace: #0 /home/www/domains/arcus.pl/public_html/wp-content/themes/xtra-child/functions.php(248): array_multisort() #1 /home/www/domains/arcus.pl/public_html/wp-content/themes/xtra-child/functions.php(349): as_acf_get_fields_menu_order() #2 /home/www/domains/arcus.pl/public_html/wp-includes/class-wp-hook.php(308): as_cpt_the_content_filter() #3 /home/www/domains/arcus.pl/public_html/wp-includes/plugin.php(205): WP_Hook->apply_filters() #4 /home/www/domains/arcus.pl/public_html/wp-includes/formatting.php(3887): apply_filters() #5 /home/www/domains/arcus.pl/public_html/wp-includes/class-wp-hook.php(308): wp_trim_excerpt() #6 /home/www/domains/arcus.pl/public_html/wp-includes/plugin.php(205): WP_Hook->apply_filters() #7 /home/www/domains/arcus.pl/public_html/wp-includes/post-template.php(431): apply_filters() #8 /home/www/domains/arcus.pl/public_html/wp-content/plugins/wordpress-seo/src/helpers/post-helper.php(84): get_the_excerpt() #9 /home/www/domains/arcus.pl/public_html/wp-content/plugins/wordpress-seo/src/presentations/indexable-post-type-presentation.php(196): Yoast\WP\SEO\Helpers\Post_Helper->get_the_excerpt() #10 /home/www/domains/arcus.pl/public_html/wp-content/plugins/wordpress-seo/src/presentations/abstract-presentation.php(66): Yoast\WP\SEO\Presentations\Indexable_Post_Type_Presentation->generate_open_graph_description() #11 /home/www/domains/arcus.pl/public_html/wp-content/plugins/wordpress-seo/src/presenters/open-graph/description-presenter.php(33): Yoast\WP\SEO\Presentations\Abstract_Presentation->__get() #12 /home/www/domains/arcus.pl/public_html/wp-content/plugins/wordpress-seo/src/presenters/abstract-indexable-tag-presenter.php(37): Yoast\WP\SEO\Presenters\Open_Graph\Description_Presenter->get() #13 /home/www/domains/arcus.pl/public_html/wp-content/plugins/wordpress-seo/src/integrations/front-end-integration.php(326): Yoast\WP\SEO\Presenters\Abstract_Indexable_Tag_Presenter->present() #14 /home/www/domains/arcus.pl/public_html/wp-includes/class-wp-hook.php(308): Yoast\WP\SEO\Integrations\Front_End_Integration->present_head() #15 /home/www/domains/arcus.pl/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters() #16 /home/www/domains/arcus.pl/public_html/wp-includes/plugin.php(517): WP_Hook->do_action() #17 /home/www/domains/arcus.pl/public_html/wp-content/plugins/wordpress-seo/src/integrations/front-end-integration.php(300): do_action() #18 /home/www/domains/arcus.pl/public_html/wp-includes/class-wp-hook.php(308): Yoast\WP\SEO\Integrations\Front_End_Integration->call_wpseo_head() #19 /home/www/domains/arcus.pl/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters() #20 /home/www/domains/arcus.pl/public_html/wp-includes/plugin.php(517): WP_Hook->do_action() #21 /home/www/domains/arcus.pl/public_html/wp-includes/general-template.php(3043): do_action() #22 /home/www/domains/arcus.pl/public_html/wp-content/themes/xtra/functions.php(1980): wp_head() #23 /home/www/domains/arcus.pl/public_html/wp-content/themes/xtra/functions.php(2557): Codevz_Core_Theme::generate_header() #24 /home/www/domains/arcus.pl/public_html/wp-content/themes/xtra/single.php(19): Codevz_Core_Theme::generate_page() #25 /home/www/domains/arcus.pl/public_html/wp-includes/template-loader.php(106): include('...') #26 /home/www/domains/arcus.pl/public_html/wp-blog-header.php(19): require_once('...') #27 /home/www/domains/arcus.pl/public_html/index.php(17): require('...') #28 {main} thrown in /home/www/domains/arcus.pl/public_html/wp-content/themes/xtra-child/functions.php on line 248