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(260): as_acf_get_fields_menu_order() #2 /home/www/domains/arcus.pl/public_html/wp-content/themes/xtra-child/functions.php(322): as_acf_files_content() #3 /home/www/domains/arcus.pl/public_html/wp-includes/class-wp-hook.php(308): as_cpt_the_content_filter() #4 /home/www/domains/arcus.pl/public_html/wp-includes/plugin.php(205): WP_Hook->apply_filters() #5 /home/www/domains/arcus.pl/public_html/wp-includes/post-template.php(255): apply_filters() #6 /home/www/domains/arcus.pl/public_html/wp-content/themes/xtra/functions.php(2867): the_content() #7 /home/www/domains/arcus.pl/public_html/wp-content/themes/xtra/single.php(19): Codevz_Core_Theme::generate_page() #8 /home/www/domains/arcus.pl/public_html/wp-includes/template-loader.php(106): include('...') #9 /home/www/domains/arcus.pl/public_html/wp-blog-header.php(19): require_once('...') #10 /home/www/domains/arcus.pl/public_html/index.php(17): require('...') #11 {main} thrown in /home/www/domains/arcus.pl/public_html/wp-content/themes/xtra-child/functions.php on line 248