Object not found! saat mau melanjutkan ke menu selanjutnya

ketika sudah klik register dan mau ke halaman selanjutnya muncul peringatan Object not found! untuk ss dan settinganya routers.php nya seperti ini

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Examples:	my-controller/index	-> my_controller/index
|		my-controller/my-method	-> my_controller/my_method
*/
$route['default_controller'] = 'Welcome';
$route['register'] = 'Welcome/register';
$route['profile'] = 'welcome/profile';
$route['contact'] = 'welcome/contact';
$route['jadwal'] = 'welcome/jadwal';
$route['faq'] = 'welcome/faq';
$route['logout'] = 'welcome/doLogout';
$route['riwayat'] = 'welcome/riwayat';
$route['alur-pendaftaran'] = 'welcome/alur_pendaftaran';
$route['failed'] = 'welcome/failed';
$route['success'] = 'welcome/success';
$route['cek-email'] = 'welcome/cek_email';
$route['forgot-password'] = 'welcome/forgot_password';
$route['reset-password'] = 'welcome/reset_password';
$route['cek-forgot-password'] = 'welcome/cek_forgot_password';
$route['reset-success'] = 'welcome/reset_success';
$route['not-found'] = 'Welcome/notfound';
$route['404_override'] = '';
$route['translate_uri_dashes'] = FALSE;
$route['batal/(:any)'] = 'Welcome/batal/$1';