2c2
< index 9b47b7c..435bae5 100644
---
> index 9b47b7c..44b2c78 100644
5c5
< @@ -148,18 +148,18 @@ public function buildComponents(array &$build, array $entities, array $displays,
---
> @@ -148,18 +148,23 @@ public function buildComponents(array &$build, array $entities, array $displays,
22,26c22,31
< +    // Embed the metadata for the comment "new" indicators on this node.
< +    $build['history'] = [
< +      '#lazy_builder' => ['history_attach_timestamp', [$commented_entity->id()]],
< +      '#create_placeholder' => TRUE,
< +    ];
---
> +    if ($this->moduleHandler->moduleExists('history') && $this->currentUser->isAuthenticated()) {
> +      // Embed the metadata for the comment "new" indicators on this node.
> +      $build['history'] = [
> +        '#lazy_builder' => [
> +          'history_attach_timestamp',
> +          [$commented_entity->id()]
> +        ],
> +        '#create_placeholder' => TRUE,
> +      ];
> +    }