Laurens Van Damme
--- a/src/SectionLibraryRender.php
+++ b/src/SectionLibraryRender.php
      }

-      $add_template_to_library_url = Url::fromRoute(
-        'section_library.add_template_to_library',
-        [
-          'section_storage_type' => $params['section_storage_type'],
-          'section_storage' => $params['section_storage'],
-          'delta' => $params['delta'],
-        ],
-        [
-          'attributes' => [
-            'class' => [
-              'use-ajax',
-              'layout-builder__link',
-              'layout-builder__link--add-template-to-library',
+      if (!empty($params)) {