Search query page error 500

https://domain.de/?s=test was just showing an error 500. I had to remove line 273 from that class to make it work again.

Fatal error: Uncaught ValueError: Missing padding character in /homepages/123/htdocs/wordpress/wp-content/plugins/seo-by-rank-math/includes/frontend/class-breadcrumbs.php:273 Stack trace: #0 /homepages/123/htdocs/wordpress/wp-content/plugins/seo-by-rank-math/includes/frontend/class-breadcrumbs.php(273): sprintf('Search for '%'', 'test') #1 [internal function]: RankMath\Frontend\Breadcrumbs->add_crumbs_search() #2 /homepages/123/htdocs/wordpress/wp-content/plugins/seo-by-rank-math/includes/frontend/class-breadcrumbs.php(231): call_user_func(Array) #3 /homepages/123/htdocs/wordpress/wp-content/plugins/seo-by-rank-math/includes/frontend/class-breadcrumbs.php(174): RankMath\Frontend\Breadcrumbs->generate() #4 /homepages/123/htdocs/wordpress/wp-content/plugins/seo-by-rank-math/includes/modules/schema/snippets/class-breadcrumbs.php(34): RankMath\Frontend\Breadcrumbs->get_crumbs() #5 /homepages/123/htdocs/wordpress/wp-content/plugins/seo-by-rank-math/includes/modules/schema/class-jsonld.php(249): RankMath\Schema\Breadcrumbs->process(Array, Object(RankMath\Schema\JsonLD)) #6 /homepages/123/htdocs/wordpress/wp-includes/class-wp-hook.php(310): RankMath\Schema\JsonLD->add_context_data(Array) #7 /homepages/123/htdocs/wordpress/wp-includes/plugin.php(256): WP_Hook->apply_filters(Array, Array) #8 /homepages/123/htdocs/wordpress/wp-content/plugins/seo-by-rank-math/includes/traits/class-hooker.php(102): apply_filters_ref_array('rank_math/json_...', Array) #9 /homepages/123/htdocs/wordpress/wp-content/plugins/seo-by-rank-math/includes/modules/schema/class-jsonld.php(151): RankMath\Schema\JsonLD->do_filter('json_ld', Array, Object(RankMath\Schema\JsonLD)) #10 /homepages/123/htdocs/wordpress/wp-includes/class-wp-hook.php(308): RankMath\Schema\JsonLD->json_ld() #11 /homepages/123/htdocs/wordpress/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #12 /homepages/123/htdocs/wordpress/wp-includes/plugin.php(565): WP_Hook->do_action(Array) #13 /homepages/123/htdocs/wordpress/wp-content/plugins/seo-by-rank-math/includes/traits/class-hooker.php(88): do_action_ref_array('rank_math/head', Array) #14 /homepages/123/htdocs/wordpress/wp-content/plugins/seo-by-rank-math/includes/frontend/class-head.php(156): RankMath\Frontend\Head->do_action('head') #15 /homepages/123/htdocs/wordpress/wp-includes/class-wp-hook.php(308): RankMath\Frontend\Head->head('') #16 /homepages/123/htdocs/wordpress/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #17 /homepages/123/htdocs/wordpress/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #18 /homepages/123/htdocs/wordpress/wp-includes/general-template.php(3043): do_action('wp_head') #19 /homepages/123/htdocs/wordpress/wp-content/themes/enfold/header.php(228): wp_head() #20 /homepages/123/htdocs/wordpress/wp-includes/template.php(783): require_once('/homepages/22/d...') #21 /homepages/123/htdocs/wordpress/wp-includes/template.php(718): load_template('/homepages/22/d...', true, Array) #22 /homepages/123/htdocs/wordpress/wp-includes/general-template.php(48): locate_template(Array, true, true, Array) #23 /homepages/123/htdocs/wordpress/wp-content/themes/enfold/search.php(10): get_header() #24 /homepages/123/htdocs/wordpress/wp-includes/template-loader.php(106): include('/homepages/22/d...') #25 /homepages/123/htdocs/wordpress/wp-blog-header.php(19): require_once('/homepages/22/d...') #26 /homepages/123/htdocs/wordpress/index.php(17): require('/homepages/22/d...') #27 {main} thrown in /homepages/123/htdocs/wordpress/wp-content/plugins/seo-by-rank-math/includes/frontend/class-breadcrumbs.php on line 273