Errors after enabling module

Enable the module (e.g. drush en notification_server) and following is reported in command line.

[error]  TypeError: Drupal\Core\Render\MetadataBubblingUrlGenerator::generateFromRoute(): Argument #1 ($name) must be of type string, array given, called in /var/www/html/web/core/lib/Drupal/Core/Url.php on line 773 in Drupal\Core\Render\MetadataBubblingUrlGenerator->generateFromRoute() (line 104 of /var/www/html/web/core/lib/Drupal/Core/Render/MetadataBubblingUrlGenerator.php) #0 /var/www/html/web/core/lib/Drupal/Core/Url.php(773): Drupal\Core\Render\MetadataBubblingUrlGenerator->generateFromRoute()