An internal database error occurred in the Business Data Connectivity Shared Service. SQL Error Number : 229

 Recently i upgraded my SharePoint server 2013 to SP1, after the upgrade i received following message in manage database Status page " Databases running in compatibility range, upgrade recommended" 
for Business Data Connectivity Database. Then i ran Sharepoint Configuration wizard, which fixed that error on that page but i am getting a error message while accessing BDCApplication page in manage service applications pagein central admin"
An internal database error occurred in the Business Data Connectivity Shared Service. SQL Error Number : 229
Sys Log :
The BDC Service application failed due to a SQL Exception: SQLServer host WSQLD05\DV. The error returned was: 'The EXECUTE permission was denied on the object 'proc_ar_GetAdministrationMetadataCatalogByPartitionId', database 'sp_BusinessDataConnectivity_DV13',
schema 'dbo'.'
I checked the Db role of the service app pool account, it has SPDataAccess permission over the Database. i cant recreate another application without knowing the root cause. I hope i can get better option to troubleshoot the issue.
Thank you

As per the error message, you can at least grant the BDC service application pool account the EXECUTE perimssions on the sp_BusinessDataConnectivity_DV13 database
Edwin Sarmiento SQL Server MVP | Microsoft Certified Master
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       at ReportingServicesHttpRuntime.BaseWorkerRequest.SendHttpResponse(Boolean finalFlush)
       at ReportingServicesHttpRuntime.RsWorkerRequest.FlushResponse(Boolean finalFlush)
       --- End of inner exception stack trace ---;
    The last think I have done, is to grant a new user access to the report server website (by using the site options) and to the root folder (by using the folder options on ws).
    But the error must not relate to the new user. The server was not touched for several days before.
    Could you plz help me? I have no idea what to do. 
    Googling the whole day to find a solution without success

    We are having the same issue with our production reporting server and it doesn't look like a permission issue. We are running the SSRS service as a domain account with administrative privileges on the server. We are seeing the following entry in the log
    file:
    rshost!rshost!1254!01/30/2014-13:06:04:: e ERROR: WriteCallback(): failed to write in write callback.
    rshost!rshost!1254!01/30/2014-13:06:04:: e ERROR: Failed with win32 error 0x0079, pipeline=0x0000000003484370.
    rshost!rshost!1198!01/30/2014-13:06:04:: e ERROR: HttpPipelineCallback::SendResponse(): failed async writing response.
    rshost!rshost!1198!01/30/2014-13:06:04:: e ERROR: Failed with win32 error 0x0079, pipeline=0x0000000003484370.
    httpruntime!ReportManager_0-1!1198!01/30/2014-13:06:04:: e ERROR: Failed in BaseWorkerRequest::SendHttpResponse(bool), exception=System.Runtime.InteropServices.COMException (0x80070079): The semaphore timeout period has expired. (Exception from HRESULT: 0x80070079)
       at Microsoft.ReportingServices.HostingInterfaces.IRsHttpPipeline.SendResponse(Void* response, Boolean finalWrite, Boolean closeConn)
       at ReportingServicesHttpRuntime.BaseWorkerRequest.SendHttpResponse(Boolean finalFlush)
    library!ReportManager_0-1!1198!01/30/2014-13:06:04:: e ERROR: Throwing Microsoft.ReportingServices.Diagnostics.Utilities.ReportServerHttpRuntimeInternalException: RsWorkerRequest::FlushResponse., Microsoft.ReportingServices.Diagnostics.Utilities.ReportServerHttpRuntimeInternalException:
    An internal or system error occurred in the HTTP Runtime object for application domain ReportManager_0-1-130355206125382999.  ---> System.Runtime.InteropServices.COMException (0x80070079): The semaphore timeout period has expired. (Exception from HRESULT:
    0x80070079)
       at ReportingServicesHttpRuntime.BaseWorkerRequest.SendHttpResponse(Boolean finalFlush)
       at ReportingServicesHttpRuntime.RsWorkerRequest.FlushResponse(Boolean finalFlush)
    SSRS version is 10.50.4270.0
    Regards,
    Augustine.

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