Hi Team,
Am Facing below issue when am trying to save custom entity after migrating for crm 2011 to crm 2015. Please guide me how to fix the same.

Unhandled Exception: System.ServiceModel.FaultException`1[[Microsoft.Xrm.Sdk.OrganizationServiceFault, Microsoft.Xrm.Sdk, Version=7.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]: EntitlementTemplate With Id = 75a17e14-d75d-e511-80c4-000d3aa0d416
Does Not ExistDetail:
<OrganizationServiceFault xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.microsoft.com/xrm/2011/Contracts">
<ErrorCode>-2147220969</ErrorCode>
<ErrorDetails xmlns:d2p1="http://schemas.datacontract.org/2004/07/System.Collections.Generic" />
<Message>EntitlementTemplate With Id = 75a17e14-d75d-e511-80c4-000d3aa0d416 Does Not Exist</Message>
<Timestamp>2015-09-18T07:35:05.7592784Z</Timestamp>
<InnerFault i:nil="true" />
<TraceText i:nil="true" />
</OrganizationServiceFault>