Chandan Singh
--- a/modules/checkout/src/Plugin/Commerce/CheckoutPane/Login.php
+++ b/modules/checkout/src/Plugin/Commerce/CheckoutPane/Login.php
          $form_state->setError($pane_form['returning_customer'], $this->t('Unrecognized username or password. <a href=":url">Have you forgotten your password?</a>', [':url' => $password_url]));
          return;
        }
-        if (user_is_blocked($username)) {
+        $user = User::load($username);