We receive the following error when adding a new page: 

Error: is currently unavailable. DotNetNuke.Services.Exceptions.ModuleLoadException: Invalid column name 'TabPath'. ---> System.Data.SqlClient.SqlException: Invalid column name 'TabPath'. at System.Data.SqlClient.SqlConnection. (SqlException exception, Boolean breakConnection) at System.Data.SqlClient.SqlInternalConnection. (SqlException exception, Boolean breakConnection) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) at System.Data.SqlClient.SqlDataReader.ConsumeMetaData() at System.Data.SqlClient.SqlDataReader.get_MetaData() 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) at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result) at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method) at System.Data.SqlClient.SqlCommand.ExecuteScalar() at Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteScalar(SqlConnection connection, CommandType commandType, String commandText, SqlParameter[] commandParameters) at Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteScalar(String connectionString, CommandType commandType, String commandText, SqlParameter[] commandParameters) at Microsoft.ApplicationBlocks.Data.SqlHelper.ExecuteScalar(String connectionString, String spName, Object[] parameterValues) at DotNetNuke.Data.SqlDataProvider.AddModule(Int32 ContentItemID, Int32 PortalID, Int32 ModuleDefID, Boolean AllTabs, DateTime StartDate, DateTime EndDate, Boolean InheritViewPermissions, Boolean IsDeleted, Int32 createdByUserID) at DotNetNuke.Entities.Modules.ModuleController.AddModuleInternal(ModuleInfo module) 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 DotNetNuke.Modules.Admin.Tabs.ManageTabs.SaveTabData(String strAction) at DotNetNuke.Modules.Admin.Tabs.ManageTabs.cmdUpdate_Click(Object Sender, EventArgs e) --- End of inner exception stack trace ---