Why would I get the error, Cannot insert the value NULL into column 'IsDeleted', table TabModules, when creating a new page on my site? Currently on dnn version 07.01.01 (385).

I am fairly new to DNN and am not sure where to start looking.  Here's the stack trace from the Event Viewer:

DotNetNuke.Web.UI.DotNetNukeException: Unable to process page template. ---> System.Data.SqlClient.SqlException: Cannot insert the value NULL into column 'IsDeleted', table 'dartexp.dbo.TabModules'; column does not allow nulls. INSERT fails. The statement has been terminated. at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction) at System.Data.SqlClient.SqlInternalConnection.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.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString) at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite) at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean asyncWrite) at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(TaskCompletionSource`1 completion, String methodName, Boolean sendToPipe, Int32 timeout, Boolean asyncWrite) at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at PetaPoco.Database.Execute(String sql, Object[] args) at DotNetNuke.Data.PetaPoco.PetaPocoHelper.ExecuteNonQuery(String connectionString, CommandType type, Int32 timeout, String sql, Object[] args) at DotNetNuke.Data.SqlDataProvider.ExecuteNonQuery(String procedureName, Object[] commandParameters) at DotNetNuke.Data.DataProvider.AddTabModule(Int32 TabId, Int32 ModuleId, String ModuleTitle, String Header, String Footer, Int32 ModuleOrder, String PaneName, Int32 CacheTime, String CacheMethod, String Alignment, String Color, String Border, String IconFile, Int32 Visibility, String ContainerSrc, Boolean DisplayTitle, Boolean DisplayPrint, Boolean DisplaySyndicate, Boolean IsWebSlice, String WebSliceTitle, DateTime WebSliceExpiryDate, Int32 WebSliceTTL, Guid UniqueId, Guid VersionGuid, Guid DefaultLanguageGuid, Guid LocalizedVersionGuid, String CultureCode, Int32 createdByUserID) at DotNetNuke.Entities.Modules.ModuleController.AddModule(ModuleInfo module) at DotNetNuke.Entities.Modules.ModuleController.DeserializeModule(XmlNode nodeModule, XmlNode nodePane, Int32 portalId, Int32 tabId, PortalTemplateModuleAction mergeTabs, Hashtable hModules) at DotNetNuke.Entities.Tabs.TabController.DeserializePanes(XmlNode nodePanes, Int32 portalId, Int32 tabId, PortalTemplateModuleAction mergeTabs, Hashtable hModules) at DesktopModules.Admin.Tabs.View.ApplyDefaultTabTemplate(TabInfo tab) --- End of inner exception stack trace --- at DesktopModules.Admin.Tabs.View.ApplyDefaultTabTemplate(TabInfo tab) at DesktopModules.Admin.Tabs.View.CreateTabFromParent(TabInfo objRoot, String tabName, Int32 parentId) at DesktopModules.Admin.Tabs.View.OnCreatePagesClick(Object sender, EventArgs e)