function mo2f_pass2login_otp_verification($user, $mo2f_second_factor)
 {
     if ($mo2f_second_factor == 'SOFT TOKEN') {
         $_SESSION['mo2f-login-message'] = 'Please enter the one time passcode shown in the <b>miniOrange Authenticator</b> app.';
         $_SESSION['mo_2factor_login_status'] = 'MO_2_FACTOR_CHALLENGE_SOFT_TOKEN';
     } else {
         if ($mo2f_second_factor == 'GOOGLE AUTHENTICATOR') {
             $_SESSION['mo2f-login-message'] = 'Please enter the one time passcode shown in the <b>Google Authenticator</b> app.';
             $_SESSION['mo_2factor_login_status'] = 'MO_2_FACTOR_CHALLENGE_GOOGLE_AUTHENTICATION';
         } else {
             $challengeMobile = new Customer_Setup();
             $content = $challengeMobile->send_otp_token(get_user_meta($user->ID, 'mo_2factor_map_id_with_email', true), $mo2f_second_factor, get_option('mo2f_customerKey'), get_option('mo2f_api_key'));
             $response = json_decode($content, true);
             if (json_last_error() == JSON_ERROR_NONE) {
                 if ($response['status'] == 'SUCCESS') {
                     $message = $mo2f_second_factor == 'SMS' ? 'The OTP has been sent to ' . MO2f_Utility::get_hidden_phone($response['phoneDelivery']['contact']) . '. Please enter the OTP you received to Validate.' : 'You will receive phone call on ' . MO2f_Utility::get_hidden_phone($response['phoneDelivery']['contact']) . ' with OTP. Please enter the OTP to Validate.';
                     $_SESSION['mo2f-login-message'] = $message;
                     $_SESSION['mo2f-login-transactionId'] = $response['txId'];
                     $_SESSION['mo_2factor_login_status'] = $mo2f_second_factor == 'SMS' ? 'MO_2_FACTOR_CHALLENGE_OTP_OVER_SMS' : 'MO_2_FACTOR_CHALLENGE_PHONE_VERIFICATION';
                 } else {
                     $this->remove_current_activity();
                     $error = new WP_Error();
                     $error->add('empty_username', __('<strong>ERROR</strong>: An error occured while processing your request. Please Try again.'));
                     return $error;
                 }
             } else {
                 $this->remove_current_activity();
                 $error = new WP_Error();
                 $error->add('empty_username', __('<strong>ERROR</strong>: An error occured while processing your request. Please Try again.'));
                 return $error;
             }
         }
     }
 }