if not ValueRe.match(self._ValueList[0]):
            EdkLogger.error('Parser', FORMAT_INVALID, "The format of the token space GUID CName is invalid. The correct format is '(a-zA-Z_)[a-zA-Z0-9_]*'",
                            ExtraData=self._CurrentLine + \
                                      " (<TokenSpaceGuidCName>.<PcdCName>|<DefaultValue>|<DatumType>|<Token>)",
                            File=self.MetaFile, Line=self._LineIndex + 1)