Fatal error: Uncaught Error: Class 'WP_Translation_Controller' not found in /wp-includes/l10n.php:796 Stack trace: #0 /wp-includes/l10n.php(1005): load_textdomain('widget-title-li...', '//wp-content/la...', 'pl_PL') #1 /wp-content/plugins/widget-title-links/widget-title-links.php(30): load_plugin_textdomain('widget-title-li...', false, 'widget-title-li...') #2 /wp-content/plugins/widget-title-links/widget-title-links.php(143): Widget_Title_Links->__construct() #3 /wp-settings.php(473): include_once('/wp-content/plu...') #4 /wp-config.php(93): require_once('/wp-settings.ph...') #5 /wp-load.php(50): require_once('/wp-config.php') #6 /wp-blog-header.php(13): require_once('/wp-load.php') #7 /index.php(17): require('/wp-blog-header...') #8 {main} thrown in /wp-includes/l10n.php on line 796

Fatal error: Uncaught Error: Class 'WP_Translation_Controller' not found in /wp-includes/l10n.php:796 Stack trace: #0 /wp-includes/l10n.php(953): load_textdomain('default', '//wp-content/la...', 'pl_PL') #1 /wp-includes/class-wp-fatal-error-handler.php(49): load_default_textdomain() #2 [internal function]: WP_Fatal_Error_Handler->handle() #3 {main} thrown in /wp-includes/l10n.php on line 796