Warning: require(/home/world/ftp/dbmarlen.pl/wp-includes/class-wp-user-query.php): Failed to open stream: No such file or directory in /home/world/ftp/dbmarlen.pl/wp-settings.php on line 203

Fatal error: Uncaught Error: Failed opening required '/home/world/ftp/dbmarlen.pl/wp-includes/class-wp-user-query.php' (include_path='.:/usr/share/php:/usr/share/pear') in /home/world/ftp/dbmarlen.pl/wp-settings.php:203 Stack trace: #0 /home/world/ftp/dbmarlen.pl/wp-config.php(88): require_once() #1 /home/world/ftp/dbmarlen.pl/wp-load.php(50): require_once('/home/world/ftp...') #2 /home/world/ftp/dbmarlen.pl/wp-blog-header.php(13): require_once('/home/world/ftp...') #3 /home/world/ftp/dbmarlen.pl/index.php(23): require('/home/world/ftp...') #4 {main} thrown in /home/world/ftp/dbmarlen.pl/wp-settings.php on line 203

Fatal error: Uncaught Error: Call to a member function set() on null in /home/world/ftp/dbmarlen.pl/wp-includes/l10n.php:854 Stack trace: #0 /home/world/ftp/dbmarlen.pl/wp-includes/l10n.php(957): load_textdomain('default', '/home/world/ftp...', 'pl_PL') #1 /home/world/ftp/dbmarlen.pl/wp-includes/class-wp-fatal-error-handler.php(49): load_default_textdomain() #2 [internal function]: WP_Fatal_Error_Handler->handle() #3 {main} thrown in /home/world/ftp/dbmarlen.pl/wp-includes/l10n.php on line 854