Additional uncaught exception thrown while handling exception.

Original

Symfony\Component\Routing\Exception\RouteNotFoundException: Route "<none>" does not exist. in Drupal\Core\Routing\RouteProvider->getRouteByName() (line 201 of /home/sqkihxoo3c9m/public_html/madhepuracollege.co.in/core/lib/Drupal/Core/Routing/RouteProvider.php).

Drupal\Core\Routing\RouteProvider->getRouteByName('') (Line: 426)
Drupal\Core\Routing\UrlGenerator->getRoute('') (Line: 130)
Drupal\Core\Routing\UrlGenerator->getPathFromRoute('', Array) (Line: 68)
Drupal\Core\Render\MetadataBubblingUrlGenerator->getPathFromRoute('', Array) (Line: 790)
Drupal\Core\Url->getInternalPath() (Line: 99)
Drupal\Core\Path\PathMatcher->isFrontPage() (Line: 1460)
theme_get_suggestions(Array, 'html') (Line: 311)
system_theme_suggestions_html(Array)
call_user_func_array('system_theme_suggestions_html', Array) (Line: 403)
Drupal\Core\Extension\ModuleHandler->invokeAll('theme_suggestions_html', Array) (Line: 230)
Drupal\Core\Theme\ThemeManager->render('html', Array) (Line: 437)
Drupal\Core\Render\Renderer->doRender(Array, 1) (Line: 195)
Drupal\Core\Render\Renderer->render(Array, 1) (Line: 139)
Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 582)
Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 140)
Drupal\Core\Render\Renderer->renderRoot(Array) (Line: 66)
Drupal\Core\Render\BareHtmlPageRenderer->renderBarePage(Array, 'Choose language', 'install_page', Array) (Line: 76)
Drupal\Core\ProxyClass\Render\BareHtmlPageRenderer->renderBarePage(Array, 'Choose language', 'install_page', Array) (Line: 1060)
install_display_output(Array, Array) (Line: 160)
install_drupal(Object) (Line: 44)

Additional

Drupal\Core\Database\DatabaseExceptionWrapper: SQLSTATE[42S02]: Base table or view not found: 1146 Table 'madhepura.key_value' doesn't exist: SELECT 1 AS expression FROM {key_value} key_value WHERE (name = :db_condition_placeholder_0) AND (collection = :db_condition_placeholder_1); Array ( [:db_condition_placeholder_0] => twig_extension_hash_prefix [:db_condition_placeholder_1] => state ) in Drupal\Core\State\State->set() (line 84 of /home/sqkihxoo3c9m/public_html/madhepuracollege.co.in/core/lib/Drupal/Core/State/State.php).

Drupal\Core\State\State->set('twig_extension_hash_prefix', Array) (Line: 90)
Drupal\Core\Template\TwigEnvironment->__construct('/home/sqkihxoo3c9m/public_html/madhepuracollege.co.in', Object, 'U5_W9_BShagatsu4W6nlQFUjPWUlAwu3sf0Wx3TX2_U', Object, Object, Array)
ReflectionClass->newInstanceArgs(Array) (Line: 1179)
Symfony\Component\DependencyInjection\ContainerBuilder->createService(Object, Array, 1, 'twig') (Line: 635)
Symfony\Component\DependencyInjection\ContainerBuilder->doGet('twig', 1) (Line: 589)
Symfony\Component\DependencyInjection\ContainerBuilder->get('twig') (Line: 158)
Drupal::service('twig') (Line: 56)
twig_render_template('core/themes/classy/templates/layout/html.html.twig', Array) (Line: 384)
Drupal\Core\Theme\ThemeManager->render('html', Array) (Line: 437)
Drupal\Core\Render\Renderer->doRender(Array, 1) (Line: 195)
Drupal\Core\Render\Renderer->render(Array, 1) (Line: 139)
Drupal\Core\Render\Renderer->Drupal\Core\Render\{closure}() (Line: 582)
Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 140)
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: 1060)
install_display_output(Array, Array, Array) (Line: 260)
_drupal_log_error(Array, 1) (Line: 605)
_drupal_exception_handler(Object)