Fatal error: require(): Failed opening required '/htdocs/wp-includes/l10n/class-wp-translation-file.php' (include_path='.:/usr/share/php') in /htdocs/wp-settings.php on line 125

Fatal error: Uncaught Error: Class 'WP_Translation_File' not found in /htdocs/wp-includes/l10n/class-wp-translation-file-mo.php:15 Stack trace: #0 /htdocs/wp-includes/load.php(1546): require_once() #1 /htdocs/wp-includes/class-wp-fatal-error-handler.php(176): wp_load_translations_early() #2 /htdocs/wp-includes/class-wp-fatal-error-handler.php(156): WP_Fatal_Error_Handler->display_default_error_template(Array, false) #3 /htdocs/wp-includes/class-wp-fatal-error-handler.php(60): WP_Fatal_Error_Handler->display_error_template(Array, false) #4 [internal function]: WP_Fatal_Error_Handler->handle() #5 {main} thrown in /htdocs/wp-includes/l10n/class-wp-translation-file-mo.php on line 15