xMatters Web Service Access (Error) while using c#.net Code

HI,

We are facing issues while instantiating the webservice call. Below is the error we are getting while accessing the class.Here we are using the c#.net code to access the xmatterst webservice call.

But,We will be able to access a public webservice using our code and get an output without any issues.When we accessing the xmatters webservice call through c#.net code,we are facing the below issue.

I have attached the error which we faced.Please find the attachemnt for more information.Any idea,please let me know the same.Waiting for your reply

{"Unable to generate a temporary class (result=1).\r\nerror CS0029: Cannot implicitly convert type 'xMattersWS.xMattersWebService.SoapNotificationResponse' to 'xMattersWS.xMattersWebService.SoapNotificationResponse[]'\r\nerror CS0029: Cannot implicitly convert type 'xMattersWS.xMattersWebService.SoapNotificationResponse' to 'xMattersWS.xMattersWebService.SoapNotificationResponse[]'\r\nerror CS0029: Cannot implicitly convert type 'xMattersWS.xMattersWebService.SoapNotificationResponse' to 'xMattersWS.xMattersWebService.SoapNotificationResponse[]'\r\nerror CS0029: Cannot implicitly convert type 'xMattersWS.xMattersWebService.SoapNotificationResponse' to 'xMattersWS.xMattersWebService.SoapNotificationResponse[]'\r\n"}

Regards,

L.Rajesh