System.Data.SqlClient.SqlException (0x80131904): A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) ---> System.ComponentModel.Win32Exception (0x80004005): The system cannot find the file specified
   at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection)
   at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection)
   at System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection)
   at System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
   at System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry)
   at System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry)
   at System.Data.SqlClient.SqlConnection.Open()
   at EPiServer.Data.Providers.Internal.ConnectionContext.<OpenConnection>b__15_0()
   at EPiServer.Data.Providers.SqlTransientErrorsRetryPolicy.Execute[TResult](Func`1 method)
   at EPiServer.Data.Providers.Internal.ConnectionContext.OpenConnection()
   at EPiServer.Data.Providers.Internal.SqlDatabaseExecutor.GetConnection(Boolean requireTransaction)
   at EPiServer.Data.Providers.Internal.SqlDatabaseExecutor.<>c__DisplayClass31_0`1.<Execute>b__0()
   at EPiServer.Data.Providers.SqlTransientErrorsRetryPolicy.Execute[TResult](Func`1 method)
   at EPiServer.Core.ContentProvider.<>c__DisplayClass80_0.<GetMatchingSegments>b__0()
   at EPiServer.Framework.Cache.ObjectInstanceCacheExtensions.ReadThroughWithWait[T](IObjectInstanceCache cache, String cacheKey, Func`1 readValue, Func`2 evictionPolicy)
   at EPiServer.Core.ContentProvider.GetMatchingSegments(ContentReference parentLink, String urlSegment)
   at EPiServer.Core.Internal.DefaultContentLoader.GetBySegmentInternal(ContentProvider provider, ContentReference parentLink, String urlSegment, LoaderOptions loaderOptions)
   at EPiServer.Core.Internal.DefaultContentLoader.GetBySegment(ContentReference parentLink, String urlSegment, LoaderOptions selector)
   at EPiServer.Web.Routing.Segments.Internal.DefaultUrlSegmentRouter.ResolveContentForIncoming(ContentReference contentLink, String urlSegment, SegmentContext segmentContext)
   at EPiServer.Web.Routing.Segments.Internal.NodeSegment.GetIncomingNodeInDefaultMode(ContentReference contentLink, SegmentContext context, List`1 segmentContents)
   at EPiServer.Web.Routing.Segments.Internal.NodeSegment.GetIncomingNode(ContentReference contentLink, SegmentContext context)
   at EPiServer.Web.Routing.Segments.Internal.NodeSegment.RouteDataMatch(SegmentContext context)
   at System.Linq.Enumerable.All[TSource](IEnumerable`1 source, Func`2 predicate)
   at EPiServer.Web.Routing.Internal.DefaultContentRoute.RouteSegmentContext(SegmentContext segmentContext)
   at EPiServer.Web.Routing.Internal.DefaultContentRoute.GetRouteData(HttpContextBase httpContext)
   at System.Web.Routing.RouteCollection.GetRouteData(HttpContextBase httpContext)
   at System.Web.Routing.UrlRoutingModule.PostResolveRequestCache(HttpContextBase context)
   at System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   at System.Web.HttpApplication.<>c__DisplayClass285_0.<ExecuteStepImpl>b__0()
   at System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step)
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
ClientConnectionId:00000000-0000-0000-0000-000000000000
Error Number:2,State:0,Class:20