The value or mask vvvvvvvv specified for DDF filter parameter DDF_filter_parameter is invalid for one of the following reasons:

• The value contains an embedded blank.
• An asterisk (*) wildcard character was specified, but was not the first or last character in the string.
• The asterisk (*) and percent (%) wildcard characters were both specified. These wildcard characters are mutually exclusive and cannot be specified in the same pattern.