For the property PollingStatement issue in WCF-SQL adapter

Why i am getting below errors and finally receive port is disabled .
Configured WC_SQl properties :
In General tab:
InBoundID=PODepartment
IntialCatalog:Test
Server: .
First error :
The Messaging Engine failed to add a receive location "RL_WCFCustomer" with URL "mssql://.//Test?InboundId=PODepartment" to the adapter "WCF-SQL". Reason: "Microsoft.ServiceModel.Channels.Common.AdapterException: The value
"" for the property PollingStatement is invalid.
Second error:
The receive location "RL_WCFCustomer" with URL "mssql://.//Test?InboundId=PODepartment" is shutting down. Details:"The Messaging Engine failed while notifying an adapter of its configuration. ".

After configure below properties ,getting new issue,but i don't see the schema in admin console which has mentioned in below schema related issue
Property details
Inbound operation type:TypedPooling
Poll data available statement:select * from dbo.PODepartment
Polling statement:select * from dbo.PODepartment
Issue Details:
There was a failure executing the receive pipeline: "Microsoft.BizTalk.DefaultPipelines.XMLReceive, Microsoft.BizTalk.DefaultPipelines, Version=3.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" Source: "XML disassembler" Receive
Port: "RPN_WCFCustomer" URI: "mssql://.//Test?InboundId=PODepartment" Reason: Finding the document specification by message type "http://schemas.microsoft.com/Sql/2008/05/TypedPolling/PODepartment#TypedPolling" failed. Verify
the schema deployed properly.

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