Added check for node id

Added check for node id

token.tokens.inc

@@ -569,7 +569,7 @@ function token_tokens($type, array $tokens, array $data, array $options, Bubblea
     if (($node_type_tokens = \Drupal::token()->findWithPrefix($tokens, 'content-type')) && $node_type = NodeType::load($node->bundle())) {
       $replacements += \Drupal::token()->generate('content-type', $node_type_tokens, ['node_type' => $node_type], $options, $bubbleable_metadata);
     }
-    if (($url_tokens = \Drupal::token()->findWithPrefix($tokens, 'url'))) {
+    if (($url_tokens = \Drupal::token()->findWithPrefix($tokens, 'url')) && $node->id() !== NULL) {
       $replacements += \Drupal::token()->generate('url', $url_tokens, ['url' => $node->toUrl()], $options, $bubbleable_metadata);
     }
   }