webservice Error #2032: Stream Error

[mfsiddiq]

Hi

I am trying to access a webservice.When i try calling the service without passing parameters i get the following error
Required parameter '########' not found in input arguments.

But when i pass the parameter required this is the error i get
Error #2032: Stream Error

Is it because of crossdomain.xml which i am not using ?

Please give some useful suggestions
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[ZaharijePasalic]

Common reason for Stream error is malformed xml file. Try to get response xml and check it's correctness.

P.S.
crossdomain will triger sandbox violation error, not stream error.

Best.