Fatal error: Uncaught Error: Call to undefined function wp_is_block_theme() in /var/www/hjemmehosxenia.dk/wp/wp-content/plugins/wp-search-with-algolia/includes/class-algolia-compatibility.php:193 Stack trace: #0 /var/www/hjemmehosxenia.dk/wp/wp-includes/class-wp-hook.php(292): Algolia_Compatibility->maybe_block_theme(false) #1 /var/www/hjemmehosxenia.dk/wp/wp-includes/plugin.php(212): WP_Hook->apply_filters(false, Array) #2 /var/www/hjemmehosxenia.dk/wp/wp-content/plugins/wp-search-with-algolia/includes/class-algolia-template-loader.php(42): apply_filters('algolia_is_bloc...', false) #3 /var/www/hjemmehosxenia.dk/wp/wp-content/plugins/wp-search-with-algolia/includes/class-algolia-plugin.php(182): Algolia_Template_Loader->__construct(Object(Algolia_Plugin)) #4 /var/www/hjemmehosxenia.dk/wp/wp-includes/class-wp-hook.php(292): Algolia_Plugin->load('') #5 /var/www/hjemmehosxenia.dk/wp/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters(NULL, Array) #6 /var/www/hjemmehosxenia.dk/wp/wp-includes/plugin.php(484): WP_Hook-> in /var/www/hjemmehosxenia.dk/wp/wp-content/plugins/wp-search-with-algolia/includes/class-algolia-compatibility.php on line 193