Additional uncaught exception thrown while handling exception.

Original

Drupal\Core\Extension\Exception\UnknownExtensionException: The theme stark does not exist. in Drupal\Core\Extension\ThemeHandler->getTheme() (line 172 of /var/www/html/docroot/core/lib/Drupal/Core/Extension/ThemeHandler.php).

Drupal\Core\Extension\ThemeHandler->getTheme() (Line: 546)
vta_tokens_alter() (Line: 562)
Drupal\Core\Extension\ModuleHandler->alter() (Line: 368)
Drupal\Core\Utility\Token->generate() (Line: 241)
Drupal\Core\Utility\Token->doReplace() (Line: 191)
Drupal\Core\Utility\Token->replace() (Line: 66)
Drupal\metatag\MetatagToken->replace() (Line: 768)
Drupal\metatag\MetatagManager->processTagValue() (Line: 614)
Drupal\metatag\MetatagManager->generateRawElements() (Line: 550)
Drupal\metatag\MetatagManager->generateElements() (Line: 524)
metatag_get_tags_from_route() (Line: 452)
metatag_preprocess_html()
call_user_func_array() (Line: 287)
Drupal\Core\Theme\ThemeManager->render() (Line: 433)
Drupal\Core\Render\Renderer->doRender() (Line: 204)
Drupal\Core\Render\Renderer->render() (Line: 148)
Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 580)
Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 147)
Drupal\Core\Render\Renderer->renderRoot() (Line: 66)
Drupal\Core\Render\BareHtmlPageRenderer->renderBarePage() (Line: 76)
Drupal\Core\ProxyClass\Render\BareHtmlPageRenderer->renderBarePage() (Line: 1058)
install_display_output() (Line: 161)
install_drupal() (Line: 48)

Additional

Drupal\Core\Extension\Exception\UnknownExtensionException: The theme stark does not exist. in Drupal\Core\Extension\ThemeHandler->getTheme() (line 172 of /var/www/html/docroot/core/lib/Drupal/Core/Extension/ThemeHandler.php).

Drupal\Core\Extension\ThemeHandler->getTheme() (Line: 546)
vta_tokens_alter() (Line: 562)
Drupal\Core\Extension\ModuleHandler->alter() (Line: 368)
Drupal\Core\Utility\Token->generate() (Line: 241)
Drupal\Core\Utility\Token->doReplace() (Line: 191)
Drupal\Core\Utility\Token->replace() (Line: 66)
Drupal\metatag\MetatagToken->replace() (Line: 768)
Drupal\metatag\MetatagManager->processTagValue() (Line: 614)
Drupal\metatag\MetatagManager->generateRawElements() (Line: 550)
Drupal\metatag\MetatagManager->generateElements() (Line: 524)
metatag_get_tags_from_route() (Line: 452)
metatag_preprocess_html()
call_user_func_array() (Line: 287)
Drupal\Core\Theme\ThemeManager->render() (Line: 433)
Drupal\Core\Render\Renderer->doRender() (Line: 204)
Drupal\Core\Render\Renderer->render() (Line: 148)
Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 580)
Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 147)
Drupal\Core\Render\Renderer->renderRoot() (Line: 66)
Drupal\Core\Render\BareHtmlPageRenderer->renderBarePage() (Line: 76)
Drupal\Core\ProxyClass\Render\BareHtmlPageRenderer->renderBarePage() (Line: 1058)
install_display_output() (Line: 271)
_drupal_log_error() (Line: 365)
_drupal_exception_handler()