Metatag processing is not working on never stories

• Replicated Astro X story
• Downloaded the story to Drupal at /admin/content/shorthand
• Inserted into the shorthand field
• Header processing doesn't strip all CSS and JS during metatags processing and returns the following errors

Warning: DOMDocument::loadHTML(): htmlParseEntityRef: no name in Entity, line: 93 in shorthand_metatags_alter() (line 178 of modules/contrib/shorthand/shorthand.module).
shorthand_metatags_alter(Array, Array, NULL) (Line: 545)
Drupal\Core\Extension\ModuleHandler->alter('metatags', Array, Array) (Line: 517)
metatag_get_tags_from_route() (Line: 130)
metatag_page_attachments(Array) (Line: 311)
Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}(Object, 'metatag') (Line: 388)