1 files changed, 13 insertions, 0 deletions

diff --git a/src/WixToolset.Core/CompilerErrors.cs b/src/WixToolset.Core/CompilerErrors.cs
index da64c376..9b3d85b9 100644
--- a/src/WixToolset.Core/CompilerErrors.cs
+++ b/src/WixToolset.Core/CompilerErrors.cs
@@ -6,6 +6,16 @@ namespace WixToolset.Core
 
     internal static class CompilerErrors
     {
+        public static Message IllegalCharactersInProvider(SourceLineNumber sourceLineNumbers, string attributeName, char illegalChar, string illegalChars)
+        {
+            return Message(sourceLineNumbers, Ids.IllegalCharactersInProvider, "The provider key authored into the {0} attribute contains an illegal character, '{1}'. Please author the provider key without any of the following characters: {2}", attributeName, illegalChar, illegalChars);
+        }
+
+        public static Message ReservedValue(SourceLineNumber sourceLineNumbers, string elementName, string attributeName, string attributeValue)
+        {
+            return Message(sourceLineNumbers, Ids.ReservedValue, "The {0}/@{1} attribute value '{2}' is reserved and cannot be used here. Please choose a different value.", elementName, attributeName, attributeValue);
+        }
+
         public static Message IllegalName(SourceLineNumber sourceLineNumbers, string parentElement, string name)
         {
             return Message(sourceLineNumbers, Ids.IllegalName, "The Tag/@Name attribute value, '{1}', contains invalid filename identifiers. The Tag/@Name may have defaulted from the {0}/@Name attrbute. If so, use the Tag/@Name attribute to provide a valid filename. Any character except for the follow may be used: \\ ? | > < : / * \".", parentElement, name);
@@ -23,6 +33,9 @@ namespace WixToolset.Core
 
         public enum Ids
         {
+            IllegalCharactersInProvider = 5400,
+            ReservedValue = 5401,
+
             IllegalName = 6601,
             ExampleRegid = 6602,
         }