Fixes validation for incorrect binding check

src/Form/LdapSsoAdminForm.php

@@ -115,18 +115,18 @@ class LdapSsoAdminForm extends ConfigFormBase {
     $factory = \Drupal::service('ldap.servers');
     $enabled_servers = $factory->getEnabledServers();
 
-    foreach ($form_state->get('sid') as $sid => $discard) {
-      if ($enabled_servers[$sid]->get('bind_method') == 'user' || $enabled_servers[$sid]->get('bind_method') == 'anon_user') {
+    /* @var \Drupal\ldap_servers\Entity\Server $server */
+    foreach ($enabled_servers as $server) {
+      if ($server->get('bind_method') == 'user' || $server->get('bind_method') == 'anon_user') {
         $methods = [
           'user' => $this->t('Bind with Users Credentials'),
           'anon_user' => $this->t('Anonymous Bind for search, then Bind with Users Credentials'),
         ];
 
-        $form_state->setErrorByName('ssoEnabled', $this->t(
-          'Single sign-on is not valid with the server !edit (id=%sid) because that server configuration uses %bind_method.  Since the user\'s credentials are never available to this module with single sign-on enabled, there is no way for the ldap module to bind to the ldap server with credentials.',
+        $form_state->setErrorByName('ssoEnabled', $this->t('Single sign-on is not valid with the server %sid because that server configuration uses %bind_method. Since the user\'s credentials are never available to this module with single sign-on enabled, there is no way for the ldap module to bind to the ldap server with credentials.',
           [
-            '%sid' => $sid,
-            '%bind_method' => $methods[$enabled_servers[$sid]->get('bind_method')],
+            '%sid' => $server->id(),
+            '%bind_method' => $server->getFormattedBind(),
           ]
         ));
       }