while calling SOAP web service getting error Mandatory field is not set in EAI_SOAPINPUT

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C#

SOAP

webservice

WSDL

Hi all,

I have created SOAP web service client from WSDL, while calling service i am getting this error

SSIS package "Automation.dtsx" starting.
Error: 0x1 at Generates XML file & Update variable: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Web.Services.Protocols.SoapHeaderException: Mandatory field is not set in EAI_SOAPINPUT; Element -> Environment.eaiCommon.BTID, Environment.eaiCommon.Header.ChannelID, Environment.eaiCommon.Header.RequestUUID, Environment.eaiCommon.Header.ServiceRequestId, Environment.eaiCommon.Header.ServiceRequestVersion
   at System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall)
   at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters)
   at ST_ae3b1e5eadb64fdba5040f4efa743458.csproj.Automation.Matching.Match(String controlXml, String batchXml, String username, String password) in C:\Users\CPUTRACKINGAPP\AppData\Local\Temp\3\SSIS\377534961d7f4fdb91565f9366317fdc\Web References\Hunter\Reference.cs:line 93
   at ST_ae3b1e5eadb64fdba5040f4efa743458.csproj.ScriptMain.Main() in C:\Users\CPUTRACKINGAPP\AppData\Local\Temp\3\SSIS\377534961d7f4fdb91565f9366317fdc\ScriptMain.cs:line 1307
   --- End of inner exception stack trace ---
   at System.RuntimeMethodHandle._InvokeMethodFast(Object target, Object[] arguments, SignatureStruct& sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner)
   at System.RuntimeMethodHandle.InvokeMethodFast(Object target, Object[] arguments, Signature sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at System.RuntimeType.InvokeMember(String name, BindingFlags bindingFlags, Binder binder, Object target, Object[] providedArgs, ParameterModifier[] modifiers, CultureInfo culture, String[] namedParams)
   at System.Type.InvokeMember(String name, BindingFlags invokeAttr, Binder binder, Object target, Object[] args, CultureInfo culture)
   at Microsoft.SqlServer.Dts.Tasks.ScriptTask.VSTATaskScriptingEngine.ExecuteScript()
Task failed: Generates XML file & Update variable
Warning: 0x80019002 at For Loop Container: SSIS Warning Code DTS_W_MAXIMUMERRORCOUNTREACHED.  The Execution method succeeded, but the number of errors raised (1) reached the maximum allowed (1); resulting in failure. This occurs when the number of errors reaches the number specified in MaximumErrorCount. Change the MaximumErrorCount or fix the errors.
Warning: 0x80019002 at HunterAutomation: SSIS Warning Code DTS_W_MAXIMUMERRORCOUNTREACHED.  The Execution method succeeded, but the number of errors raised (1) reached the maximum allowed (1); resulting in failure. This occurs when the number of errors reaches the number specified in MaximumErrorCount. Change the MaximumErrorCount or fix the errors.
SSIS package "Automation.dtsx" finished: Failure.

what is this error?