Additional uncaught exception thrown while handling exception.

Original

Symfony\Component\Routing\Exception\RouteNotFoundException: Route "<front>" does not exist. in Drupal\Core\Routing\RouteProvider->getRouteByName() (line 208 of /code/core/lib/Drupal/Core/Routing/RouteProvider.php).

Drupal\Core\Routing\RouteProvider->getRouteByName('') (Line: 426)
Drupal\Core\Routing\UrlGenerator->getRoute('') (Line: 271)
Drupal\Core\Routing\UrlGenerator->generateFromRoute('', Array, Array, 1) (Line: 105)
Drupal\Core\Render\MetadataBubblingUrlGenerator->generateFromRoute('', Array, Array, ) (Line: 762)
Drupal\Core\Url->toString() (Line: 774)
token_tokens('current-page', Array, Array, Array, Object)
call_user_func_array('token_tokens', Array) (Line: 403)
Drupal\Core\Extension\ModuleHandler->invokeAll('tokens', Array) (Line: 304)
Drupal\Core\Utility\Token->generate('current-page', Array, Array, Array, Object) (Line: 196)
Drupal\Core\Utility\Token->replace('[current-page:url]', Array, Array, Object) (Line: 66)
Drupal\metatag\MetatagToken->replace('[current-page:url]', Array, Array) (Line: 553)
Drupal\metatag\MetatagManager->generateRawElements(Array, NULL) (Line: 475)
Drupal\metatag\MetatagManager->generateElements(Array, NULL) (Line: 496)
metatag_get_tags_from_route() (Line: 427)
metatag_preprocess_html(Array, 'html', Array) (Line: 287)
Drupal\Core\Theme\ThemeManager->render('html', Array) (Line: 431)
Drupal\Core\Render\Renderer->doRender(Array, 1) (Line: 200)
Drupal\Core\Render\Renderer->render(Array, 1) (Line: 144)
Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 573)
Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 145)
Drupal\Core\Render\Renderer->renderRoot(Array) (Line: 66)
Drupal\Core\Render\BareHtmlPageRenderer->renderBarePage(Array, Object, 'install_page', Array) (Line: 76)
Drupal\Core\ProxyClass\Render\BareHtmlPageRenderer->renderBarePage(Array, Object, 'install_page', Array) (Line: 1054)
install_display_output(Array, Array) (Line: 160)
install_drupal(Object) (Line: 44)

Additional

Symfony\Component\Routing\Exception\RouteNotFoundException: Route "<front>" does not exist. in Drupal\Core\Routing\RouteProvider->getRouteByName() (line 208 of /code/core/lib/Drupal/Core/Routing/RouteProvider.php).

Drupal\Core\Routing\RouteProvider->getRouteByName('') (Line: 426)
Drupal\Core\Routing\UrlGenerator->getRoute('') (Line: 271)
Drupal\Core\Routing\UrlGenerator->generateFromRoute('', Array, Array, 1) (Line: 105)
Drupal\Core\Render\MetadataBubblingUrlGenerator->generateFromRoute('', Array, Array, ) (Line: 762)
Drupal\Core\Url->toString() (Line: 774)
token_tokens('current-page', Array, Array, Array, Object)
call_user_func_array('token_tokens', Array) (Line: 403)
Drupal\Core\Extension\ModuleHandler->invokeAll('tokens', Array) (Line: 304)
Drupal\Core\Utility\Token->generate('current-page', Array, Array, Array, Object) (Line: 196)
Drupal\Core\Utility\Token->replace('[current-page:url]', Array, Array, Object) (Line: 66)
Drupal\metatag\MetatagToken->replace('[current-page:url]', Array, Array) (Line: 553)
Drupal\metatag\MetatagManager->generateRawElements(Array, NULL) (Line: 475)
Drupal\metatag\MetatagManager->generateElements(Array, NULL) (Line: 496)
metatag_get_tags_from_route() (Line: 427)
metatag_preprocess_html(Array, 'html', Array) (Line: 287)
Drupal\Core\Theme\ThemeManager->render('html', Array) (Line: 431)
Drupal\Core\Render\Renderer->doRender(Array, 1) (Line: 200)
Drupal\Core\Render\Renderer->render(Array, 1) (Line: 144)
Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 573)
Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 145)
Drupal\Core\Render\Renderer->renderRoot(Array) (Line: 66)
Drupal\Core\Render\BareHtmlPageRenderer->renderBarePage(Array, 'Error', 'install_page', Array) (Line: 76)
Drupal\Core\ProxyClass\Render\BareHtmlPageRenderer->renderBarePage(Array, 'Error', 'install_page', Array) (Line: 1054)
install_display_output(Array, Array, Array) (Line: 267)
_drupal_log_error(Array, 1) (Line: 618)
_drupal_exception_handler(Object)