1 files changed, 1 insertions, 1 deletions

diff --git a/src/api/wix/WixToolset.Data/ErrorMessages.cs b/src/api/wix/WixToolset.Data/ErrorMessages.cs
index 4d986b7a..177ee2ae 100644
--- a/src/api/wix/WixToolset.Data/ErrorMessages.cs
+++ b/src/api/wix/WixToolset.Data/ErrorMessages.cs
@@ -290,7 +290,7 @@ namespace WixToolset.Data
 
         public static Message DuplicateLocalizationIdentifier(SourceLineNumber sourceLineNumbers, string localizationId)
         {
-            return Message(sourceLineNumbers, Ids.DuplicateLocalizationIdentifier, "The localization identifier '{0}' has been duplicated in multiple locations. Please resolve the conflict.", localizationId);
+            return Message(sourceLineNumbers, Ids.DuplicateLocalizationIdentifier, "Either the localization identifier '{0}' has been duplicated in multiple locations or you are missing a default culture file. Please resolve the conflict.", localizationId);
         }
 
         public static Message DuplicateModuleCaseInsensitiveFileIdentifier(SourceLineNumber sourceLineNumbers, string moduleId, string fileId1, string fileId2)