Why does "createClassFromWsdl" not work? Is the datatype s1:guid" not supported?

createClassFromWsdl('C:\dokreg\lattec\Matlab\webservice\HSMDAL.asmx')

% Error when reading this line:
%    <s:element minOccurs="1" maxOccurs="1" name="serviceReportDescriptionId" type="s1:guid" />

% Retrieving document at 'file:///C:/dokreg/lattec/Matlab/webservice/HSMDAL.asmx'
% Attempt to reference field of non-structure array.
% 
% Error in createClassFromWsdl>extractTypeFromSchemaElement (line 342)
%                 nextType = char(tElement.getSchemaType().getQName());
% 
% Error in createClassFromWsdl>extractParams (line 249)
%                 nextRetList = extractTypeFromSchemaElement(xElement);
% 
% Error in createClassFromWsdl>makeOperation (line 219)
% op.input = extractParams(operation.getInput(), schema);
% 
% Error in createClassFromWsdl>parseWsdl (line 169)
%             op = makeOperation(operation,schema);
% 
% Error in createClassFromWsdl (line 32)
% [R, schema] = parseWsdl(wsdlUrl);