Clarify the underlying reason .wxls are loaded.

barnson · barnson · commit c1b3fba6e6a5 · 2025-07-22T19:12:58.000-04:00
diff --git a/src/api/wix/WixToolset.Data/ErrorMessages.cs b/src/api/wix/WixToolset.Data/ErrorMessages.cs
@@ -290,7 +290,7 @@ public static Message DuplicateFileId(string fileId)
 
         public static Message DuplicateLocalizationIdentifier(SourceLineNumber sourceLineNumbers, string 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);
+            return Message(sourceLineNumbers, Ids.DuplicateLocalizationIdentifier, "The localization identifier '{0}' has been duplicated in multiple locations. A common cause is a bundle .wixproj that automatically loads .wxl files that are intended for the bootstrapper application. You can turn off that behavior by setting the EnableDefaultEmbeddedResourceItems property to false.", localizationId);
         }
 
         public static Message DuplicateModuleCaseInsensitiveFileIdentifier(SourceLineNumber sourceLineNumbers, string moduleId, string fileId1, string fileId2)

Original file line number	Diff line number	Diff line change
`@@ -290,7 +290,7 @@ public static Message DuplicateFileId(string fileId)`
`290`	`290`
`291`	`291`	`public static Message DuplicateLocalizationIdentifier(SourceLineNumber sourceLineNumbers, string localizationId)`
`292`	`292`	`{`
`293`		`- 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);`
	`293`	`+ return Message(sourceLineNumbers, Ids.DuplicateLocalizationIdentifier, "The localization identifier '{0}' has been duplicated in multiple locations. A common cause is a bundle .wixproj that automatically loads .wxl files that are intended for the bootstrapper application. You can turn off that behavior by setting the EnableDefaultEmbeddedResourceItems property to false.", localizationId);`
`294`	`294`	`}`
`295`	`295`
`296`	`296`	`public static Message DuplicateModuleCaseInsensitiveFileIdentifier(SourceLineNumber sourceLineNumbers, string moduleId, string fileId1, string fileId2)`