Ticket not exists while Doing Create Operation in GW Client

Hi ,

i am doing post operation in gw client. while Execute i am getting error as "Ticket does not exists" for post operation.. But the data gets created in Backend.  STatus code is 500 internal server.

here my Query

/sap/opu/odata/sap/ZVIC_USABILITY_SRV/VICREQUESTSet

Payload:

<?xml version="1.0" encoding="utf-8"?>
<entry xml:base="http://<host>:<port>/sap/opu/odata/sap/ZVIC_USABILITY_SRV/" xmlns="http://www.w3.org/2005/Atom" xmlns:m="http://schemas.microsoft.com/ado/2007/08/dataservices/metadata" xmlns:d="http://schemas.microsoft.com/ado/2007/08/dataservices">
<id>http://<host>:<port>/sap/opu/odata/sap/ZVIC_USABILITY_SRV/VICREQUESTSet</id>
<title type="text">VICREQUESTSet</title>
<updated>2014-07-04T10:52:54Z</updated>
<category term="ZVIC_USABILITY_SRV.VICREQUEST" scheme="http://schemas.microsoft.com/ado/2007/08/dataservices/scheme"/>
<link href="VICREQUESTSet" rel="edit" title="VICREQUEST"/>
<content type="application/xml">
<m:properties>
<d:Guid></d:Guid>
<d:ObjectId></d:ObjectId>
<d:ProcessDescription>GW PROCESS TESTING DEScription</d:ProcessDescription>
<d:LongText>GW LONG Text dey</d:LongText>
<d:Category>ZF01</d:Category>
<d:LastChangedBy/>
<d:Statcode/>
<d:StatusDescription/>
<d:Language/>
<d:ChangeDay></d:ChangeDay>
<d:ChangeTime/>
<d:Createdon></d:Createdon>
<d:Createdby></d:Createdby>
<d:Priority>3</d:Priority>
<d:VodafoneEntity>4000000064</d:VodafoneEntity>
<d:AttachmentFlag/>
<d:Stat/>
<d:Changedon/>
<d:FileName/>
<d:FileSize>0</d:FileSize>
<d:FileMimetype/>
<d:FileContent/>
<d:DocId/>
<d:DocUrl/>
<d:UserID/>
<d:VendorID/>
</m:properties>
</content>
</entry>

Here is the post operation data is getting reflected in backend, and able to retrieve in get list.