diff --git a/modules/quant_api/src/Client/QuantClient.php b/modules/quant_api/src/Client/QuantClient.php
index aa13895d..b5469486 100644
--- a/modules/quant_api/src/Client/QuantClient.php
+++ b/modules/quant_api/src/Client/QuantClient.php
@@ -17,6 +17,13 @@
  */
 class QuantClient implements QuantClientInterface {
 
+  /**
+   * The configuration object for Quant API.
+   *
+   * @var \Drupal\Core\Config\ImmutableConfig
+   */
+  protected $config;
+
   /**
    * The logger service.
    *
@@ -63,15 +70,40 @@ class QuantClient implements QuantClientInterface {
    * {@inheritdoc}
    */
   public function __construct(Client $client, ConfigFactoryInterface $config_factory, LoggerChannelFactoryInterface $logger_factory) {
-    $config = $config_factory->get('quant_api.settings');
+    $this->config = $config_factory->get('quant_api.settings');
     $this->client = $client;
     $this->logger = $logger_factory->get('quant_api');
 
-    $this->username = $config->get('api_account');
-    $this->token = $config->get('api_token');
-    $this->project = $config->get('api_project');
-    $this->endpoint = $config->get('api_endpoint') . '/v1';
-    $this->tlsDisabled = $config->get('api_tls_disabled');
+    $this->username = $this->config->get('api_account');
+    $this->token = $this->config->get('api_token');
+    $this->project = $this->config->get('api_project');
+    $this->endpoint = $this->config->get('api_endpoint') . '/v1';
+    $this->tlsDisabled = $this->config->get('api_tls_disabled');
+  }
+
+  /**
+   * Get API overrides.
+   */
+  public function getOverrides() {
+    // Note this has to be processed in this class instead of in the
+    // SettingsForm because the overrides aren't available in the form.
+    $overrides = [];
+    $keys = [
+      'api_endpoint',
+      'api_account',
+      'api_project',
+      'api_token',
+      'api_tls_disabled',
+    ];
+    foreach ($keys as $key) {
+      $original = $this->config->getOriginal($key, FALSE);
+      $active = $this->config->get($key);
+      if ($original != $active) {
+        $overrides[$key] = $active;
+      }
+    }
+
+    return $overrides;
   }
 
   /**
diff --git a/modules/quant_api/src/Form/SettingsForm.php b/modules/quant_api/src/Form/SettingsForm.php
index a2b90db6..bb086795 100644
--- a/modules/quant_api/src/Form/SettingsForm.php
+++ b/modules/quant_api/src/Form/SettingsForm.php
@@ -101,10 +101,35 @@ public function buildForm(array $form, FormStateInterface $form_state) {
     $form['api_tls_disabled'] = [
       '#type' => 'checkbox',
       '#title' => $this->t('Disable TLS verification'),
-      '#description' => $this->t('You can optionally disable SSL verification for all Quant API requests. This is <strong>not recommended</strong>, but may be necessary in some configurations. For example, old web servers may have issues validating modern SSL certificates.'),
+      '#description' => $this->t('You can optionally disable TLS verification for all Quant API requests. This is <strong>not recommended</strong>, but may be necessary in some configurations. For example, old web servers may have issues validating modern TSL/SSL certificates.'),
       '#default_value' => $config->get('api_tls_disabled', FALSE),
     ];
 
+    // API values might be overridden in the settings file.
+    $overrides = $this->client->getOverrides();
+    foreach ($overrides as $key => $value) {
+      if ($key === 'api_token') {
+        // Don't show the token in the UI.
+        $message = $this->t('QuantAPI override: <code>api_token</code> has been overridden in the settings file.');
+      }
+      else {
+        $message = $this->t('QuantAPI override: <em>@key</em> has been overridden in the settings file with <em>@value</em>.',
+          [
+            '@key' => $key,
+            '@value' => $value,
+          ]);
+      }
+
+      // Show warning and add to description.
+      \Drupal::messenger()->addWarning($message);
+      $form[$key]['#description'] = $form[$key]['#description'] . ' <strong>' . $message . '</strong>';
+    }
+
+    // Show error if not using TSL verification.
+    if ((isset($overrides['api_tls_disabled']) && !$overrides['api_tls_disabled']) || !$config->get('api_tls_disabled')) {
+      \Drupal::messenger()->addError($this->t('<strong>DANGER ZONE:</strong> TLS verification is disabled for Quant API connections. It is <strong>highly recommended</strong> that you update your server configuration to handle TLS rather than disabling TLS verification.'));
+    }
+
     return parent::buildForm($form, $form_state);
   }
 
diff --git a/quant.module b/quant.module
index 77f469e9..8f5c9a90 100644
--- a/quant.module
+++ b/quant.module
@@ -412,6 +412,10 @@ function quant_modules_uninstalled($modules) {
  *   The path alias.
  */
 function quant_path_alias_presave(EntityInterface $pathAlias) {
+  if (!$pathAlias || !$pathAlias->original) {
+    return;
+  }
+
   // Original path alias.
   $original_path = $pathAlias->original->get('path')->value;
   $original_alias = $pathAlias->original->get('alias')->value;
diff --git a/src/Utility.php b/src/Utility.php
index 7181f2ae..dc1fa77c 100644
--- a/src/Utility.php
+++ b/src/Utility.php
@@ -142,55 +142,63 @@ public static function processDrafts() {
    *   The markup with the page info.
    */
   public static function getPageInfo(array $urls = NULL) : string {
-    // Default to the current page.
-    if (!$urls) {
-      $urls = [self::getUrl()];
-    }
-
-    $client = \Drupal::service('quant_api.client');
-    $response = $client->getUrlMeta($urls);
-
-    if (isset($response['global_meta']['records'])) {
-      // Show meta information for the pages in Quant.
-      $found_urls = [];
-      $output = '<div class="quant-page-info messages messages--warning">';
-      $output .= '<h2>' . t('Quant Page Info') . '</h2>';
-      foreach ($response['global_meta']['records'] as $record) {
-        $found_urls[] = $url = $record['meta']['url'];
-        $output .= '<div class="quant-page-info">';
-        $output .= '<strong>Page info for ' . $url . '</strong>';
-        $output .= '<ul>';
-        $output .= '<li><strong>Published</strong>: ' . ($record['meta']['published'] ? t('Yes') : t('No')) . '</li>';
-        $output .= '<li><strong>Revisions</strong>: ' . $record['meta']['revision_count'] . '</li>';
-        $date = DrupalDateTime::createFromTimestamp($record['meta']['content_timestamp'])->format('Y-m-d H:i:s');
-        $output .= '<li><strong>Updated</strong>: ' . $date . '</li>';
-        $date = DrupalDateTime::createFromTimestamp($record['meta']['date_timestamp'])->format('Y-m-d H:i:s');
-        $output .= '<li><strong>Synced</strong>: ' . $date . '</li>';
-        $output .= '</ul>';
-        $output .= '</div>';
+    try {
+      // Default to the current page.
+      if (!$urls) {
+        $urls = [self::getUrl()];
       }
 
-      // Note any URLs that were not in Quant.
-      if (count($urls) != count($found_urls)) {
-        if (count($urls) === 1) {
-          $output .= '<strong>' . t('Page info could not be found for this URL:') . '</strong>';
+      $client = \Drupal::service('quant_api.client');
+      $response = $client->getUrlMeta($urls);
+
+      if (isset($response['global_meta']['records'])) {
+        // Show meta information for the pages in Quant.
+        $found_urls = [];
+        $output = '<div class="quant-page-info messages messages--warning">';
+        $output .= '<h2>' . t('Quant Page Info') . '</h2>';
+        foreach ($response['global_meta']['records'] as $record) {
+          $found_urls[] = $url = ($record['meta']['url'] ?? 'Url unknown');
+          $output .= '<div class="quant-page-info">';
+          $output .= '<strong>Page info for ' . $url . '</strong>';
+          $output .= '<ul>';
+          // @todo Fix underlying data per issue #3412934.
+          $output .= '<li><strong>Published</strong>: ' . (($record['meta']['published'] ?? FALSE) ? t('Yes') : t('No')) . '</li>';
+          $output .= '<li><strong>Revisions</strong>: ' . ($record['meta']['revision_count'] ?? 0) . '</li>';
+          $date = DrupalDateTime::createFromTimestamp($record['meta']['content_timestamp'] ?? 0)->format('Y-m-d H:i:s');
+          $output .= '<li><strong>Updated</strong>: ' . $date . '</li>';
+          $date = DrupalDateTime::createFromTimestamp($record['meta']['date_timestamp'] ?? 0)->format('Y-m-d H:i:s');
+          $output .= '<li><strong>Synced</strong>: ' . $date . '</li>';
+          $output .= '</ul>';
+          $output .= '</div>';
         }
-        else {
-          $output .= '<strong>' . t('Page info could not be found for the following URLs:') . '</strong>';
+
+        // Note any URLs that were not in Quant.
+        if (count($urls) != count($found_urls)) {
+          if (count($urls) === 1) {
+            $output .= '<strong>' . t('Page info could not be found for this URL:') . '</strong>';
+          }
+          else {
+            $output .= '<strong>' . t('Page info could not be found for the following URLs:') . '</strong>';
+          }
+          $output .= '<ul>';
         }
-        $output .= '<ul>';
-      }
-      foreach ($urls as $url) {
-        if (!in_array($url, $found_urls)) {
-          $output .= '<li>' . $url . '</li>';
+        foreach ($urls as $url) {
+          if (!in_array($url, $found_urls)) {
+            $output .= '<li>' . $url . '</li>';
+          }
+          $output .= '</ul>';
         }
-        $output .= '</ul>';
+
+        $output .= '</div>';
       }
 
-      $output .= '</div>';
+      return $output;
+    }
+    catch (\Exception $e) {
+      \Drupal::logger('quant')->error($e->getMessage());
+      return '';
     }
 
-    return $output;
   }
 
 }