From a32fa3cec06e1b779c41c6e51ff4457348310aa1 Mon Sep 17 00:00:00 2001
From: Christophe Coevoet <stof@notk.org>
Date: Tue, 28 Sep 2021 13:44:20 +0200
Subject: [PATCH] Improve the error message for invalid default namespaces

---
 lib/src/parse/stylesheet.dart | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/src/parse/stylesheet.dart b/lib/src/parse/stylesheet.dart
index afe741594..e1b87fa7b 100644
--- a/lib/src/parse/stylesheet.dart
+++ b/lib/src/parse/stylesheet.dart
@@ -1398,7 +1398,7 @@ abstract class StylesheetParser extends Parser {
     try {
       return Parser.parseIdentifier(namespace, logger: logger);
     } on SassFormatException {
-      error('Invalid Sass identifier "$namespace"', scanner.spanFrom(start));
+      error('The default namespace "$namespace" is not a valid Sass identifier.\n\nRecommendation: add an "as" clause to define an explicit namespace.', scanner.spanFrom(start));
     }
   }