Constraint Call through BC Script working in dedicate client but not in Thin Client

Hi Guys,

I have used below code to call constraints through BC script it worked for me in dedicated client but it is not working in thin client,I have taken the log and saw the difference that I found is as below for CreateSession method,can some one suggest how to resolve it.

Dedicated Client:

ObjMgrLog         Error      1              000000025162150c:0       2013-04-08 16:20:23        (vodbroker.cpp (3647)) SBL-ISS-00121: The Item can not be found; Type ISS_PROD_DEF; Identifier 1F-QM3M

 eProdCfgLog      LogInfo 3              000000025162150c:0       2013-04-08 16:20:23        CSSCxObjInstService::CreateSession() - [User] = Test established configurator session with parameters:, [Task Id] = 0, [Integration Object Name] = 7.7 Order Entry Integration Object, [Header Id] = 1F-QM3M, [Line Item Id] = 1F-QMHN, [Product Id] = 1F-QM3M,