2796482 - Plugins registration fails with error: An error occurred during execution.

After upgrade to Stack 1201, registration of plugins fail with the error:

An error occurred during execution. See log file for details

Log details:-

Message: Execution Timeout Expired. The timeout period elapsed prior to completion of the operation or the server is not responding.
Source: .Net SqlClient Data Provider
Stack trace: at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)
at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)
at System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady)
at System.Data.SqlClient.SqlDataReader.TryConsumeMetaData()
at System.Data.SqlClient.SqlDataReader.get_MetaData()
at System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString, Boolean isInternal, Boolean forDescribeParameterEncryption, Boolean shouldCacheForAlwaysEncrypted)
at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite, Boolean inRetry, SqlDataReader ds, Boolean describeParameterEncryptionRequest)
at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean& usedCache, Boolean asyncWrite, Boolean inRetry)
at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)
at System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method)
at SAP.DM.Plugins.Mgmt.Repository.SqlPluginRepository.SAP.DM.Plugins.Mgmt.Repository.IPluginRepository.GetUncommittedPackages()
at Castle.Proxies.Invocations.IPluginRepository_GetUncommittedPackages.InvokeMethodOnTarget()
at Castle.DynamicProxy.AbstractInvocation.Proceed()
at SAP.DM.Repository.SqlRepositoryExceptionInterceptor.Intercept(IInvocation invocation)
-------- End --------

SAP Disclosure Management 10.1

Plugin, execution timeout , KBA , EPM-DSM-GEN , DM core functionalities , How To