You configure Microsoft SQL Server 2005 Reporting Services or Microsoft SQL Server 2008 Reporting Services to run in SharePoint Integrated mode. You create a subscription for a report. When you switch the schedule of the subscription between a shared schedule and a custom schedule, an assertion failure occurs. Additionally, the following error message is logged in the SQL Server Reporting Services log file:

Cumulative update information

The release version of SQL Server 2005

Important You must install this cumulative update package if your computer is running the release version of SQL Server 2005.

The fix for this issue was first released in Cumulative Update 4 for SQL Server 2005 Service Pack 3. For more information about this cumulative update package, click the following article number to view the article in the Microsoft Knowledge Base:Note Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2005 fix release. Microsoft recommends that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base: Microsoft SQL Server 2005 hotfixes are created for specific SQL Server service packs. You must apply a SQL Server 2005 Service Pack 3 hotfix to an installation of SQL Server 2005 Service Pack 3. By default, any hotfix that is provided in a SQL Server service pack is included in the next SQL Server service pack.

The release version of SQL Server 2008

Important You must install this cumulative update package if your computer is running the release version of SQL Server 2008.

The fix for this issue was first released in Cumulative Update 6. For more information about how to obtain this cumulative update package for SQL Server 2008, click the following article number to view the article in the Microsoft Knowledge Base:Note Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2008 fix release. We recommend that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

SQL Server 2008 Service Pack 1

Important You must install this cumulative update package if your computer is running SQL Server 2008 Service Pack 1.

The fix for this issue was first released in Cumulative Update 3 for SQL Server 2008 Service Pack 1. For more information about this cumulative update package, click the following article number to view the article in the Microsoft Knowledge Base:Note Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2008 fix release. Microsoft recommends that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base: Microsoft SQL Server 2008 hotfixes are created for specific SQL Server service packs. You must apply a SQL Server 2008 Service Pack 1 hotfix to an installation of SQL Server 2008 Service Pack 1. By default, any hotfix that is provided in a SQL Server service pack is included in the next SQL Server service pack.

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

w3wp!subscription!1!11/12/2008-08:26:27:: a ASSERT: Schedule path is null 
Call stack:
Microsoft.ReportingServices.Library.SubscriptionManager.ValidateSubscriptionData(Subscription subscription, String eventType, String subscriptionData) 
Microsoft.ReportingServices.Library.SubscriptionManager.SetSubscriptionProperties(Guid id, String eventType, String matchData, ExtensionSettings extensionSettings, String description, ParameterValueOrFieldReference[] parameters, DataRetrievalPlan dataSettings) 
Microsoft.ReportingServices.Library.SetSubscriptionPropertiesAction.PerformActionNow() 
Microsoft.ReportingServices.Library.RSSoapAction`1.Execute() 
Microsoft.ReportingServices.WebServer.ReportingService2005Impl.SetSubscriptionProperties(String SubscriptionID, ExtensionSettings ExtensionSettings, Boolean isDataDriven, DataRetrievalPlan DataRetrievalPlan, String Description, String EventType, String MatchData, ParameterValueOrFieldReference[] Parameters) 
Microsoft.ReportingServices.WebServer.ReportingService2006.SetSubscriptionProperties(String SubscriptionID, ExtensionSettings ExtensionSettings, String Description, String EventType, String MatchData, ParameterValue[] Parameters) 
System.RuntimeMethodHandle._InvokeMethodFast(Object target, Object[] arguments, SignatureStruct& sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner) 
System.RuntimeMethodHandle.InvokeMethodFast(Object target, Object[] arguments, Signature sig, MethodAttributes methodAttributes, RuntimeTypeHandle typeOwner) 
System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks) 
System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) 
System.Web.Services.Protocols.LogicalMethodInfo.Invoke(Object target, Object[] values) 
System.Web.Services.Protocols.WebServiceHandler.Invoke() 
System.Web.Services.Protocols.WebServiceHandler.CoreProcessRequest() 
System.Web.Services.Protocols.SyncSessionlessHandler.ProcessRequest(HttpContext context) 
System.Web.HttpApplication+CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() 
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) 
System.Web.HttpApplication+ApplicationStepManager.ResumeSteps(Exception error) 
System.Web.HttpApplication.System.Web.IHttpAsyncHandler.BeginProcessRequest(HttpContext context, AsyncCallback cb, Object extraData) 
System.Web.HttpRuntime.ProcessRequestInternal(HttpWorkerRequest wr) 
System.Web.HttpRuntime.ProcessRequestNoDemand(HttpWorkerRequest wr) 
System.Web.Hosting.ISAPIRuntime.ProcessRequest(IntPtr ecb, Int32 iWRType)

For more information about the Incremental Servicing Model for SQL Server, click the following article number to view the article in the Microsoft Knowledge Base: For more information about how to obtain SQL Server 2005 Service Pack 3, click the following article number to view the article in the Microsoft Knowledge Base: For more information about the new features and the new improvements in SQL Server 2005 Service Pack 3, visit the following Microsoft Web site: For more information about the naming schema for SQL Server updates, click the following article number to view the article in the Microsoft Knowledge Base: For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base: