Fatal error: Uncaught ValueError: Unknown format specifier "a" in /customers/a/7/4/karllarsson.se/httpd.www/podcast/wp-content/plugins/seriously-simple-podcasting/php/classes/controllers/class-admin-controller.php:210 Stack trace: #0 /customers/a/7/4/karllarsson.se/httpd.www/podcast/wp-content/plugins/seriously-simple-podcasting/php/classes/controllers/class-admin-controller.php(210): sprintf('S\xC3\xB6k %a', 'Avsnitt') #1 /customers/a/7/4/karllarsson.se/httpd.www/podcast/wp-includes/class-wp-hook.php(288): SeriouslySimplePodcasting\Controllers\Admin_Controller->register_post_type('') #2 /customers/a/7/4/karllarsson.se/httpd.www/podcast/wp-includes/class-wp-hook.php(312): WP_Hook->apply_filters(NULL, Array) #3 /customers/a/7/4/karllarsson.se/httpd.www/podcast/wp-includes/plugin.php(478): WP_Hook->do_action(Array) #4 /customers/a/7/4/karllarsson.se/httpd.www/podcast/wp-settings.php(523): do_action('init') #5 /customers/a/7/4/karllarsson.se/httpd.www/podcast/wp-config.php(107): require_once('/customers/a/7/...') #6 /customers/a/7/4/karllarsson.se/httpd.www/podcast/wp-load.php(37): require_once('/customers/a/7/...') #7 /customers/a/7/4/karllarsson.se/httpd.www/podcast/wp-blog-header.php(13): require_once('/customers/a/7/...') #8 /customers/a/7/4/karllarsson.se/httpd.www/podcast/index.php(17): require('/customers/a/7/...') #9 {main} thrown in /customers/a/7/4/karllarsson.se/httpd.www/podcast/wp-content/plugins/seriously-simple-podcasting/php/classes/controllers/class-admin-controller.php on line 210