2021-02-04 04:00:14,769 [YDAWBH120][Thread:71][ERROR] DotNetNuke.Services.Scheduling.SchedulerClient - System.ObjectDisposedException: Cannot access a disposed object.
Object name: 'LuceneController is disposed and cannot be used anymore'.
   at DotNetNuke.Services.Search.Internals.LuceneControllerImpl.CheckDisposed()
   at DotNetNuke.Services.Search.Internals.LuceneControllerImpl.get_Writer()
   at DotNetNuke.Services.Search.Internals.LuceneControllerImpl.Delete(Query query)
   at DotNetNuke.Services.Search.Internals.InternalSearchControllerImpl.DeleteSearchDocumentInternal(SearchDocument searchDocument, Boolean autoCommit)
   at DotNetNuke.Services.Search.Internals.InternalSearchControllerImpl.DeleteSearchDocumentsByModule(Int32 portalId, Int32 moduleId, Int32 moduleDefId)
   at DotNetNuke.Services.Search.SearchDataStore.StoreSearchItems(SearchItemInfoCollection searchItems)
   at DotNetNuke.Services.Search.SearchEngine.IndexContent(DateTime startDate)
   at DotNetNuke.Services.Search.SearchEngineScheduler.DoWork()
2021-02-04 04:02:03,066 [YDAWBH120][Thread:10][FATAL] DotNetNuke.Framework.PageBase - An error has occurred while loading page.
System.NullReferenceException: Object reference not set to an instance of an object.
   at DotNetNuke.Entities.Portals.PortalSettingsController.ConfigureActiveTab(PortalSettings portalSettings)
   at DotNetNuke.Framework.DefaultPage.InitializePage()
   at DotNetNuke.Framework.DefaultPage.OnInit(EventArgs e)
   at System.Web.UI.Control.InitRecursive(Control namingContainer)
   at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
2021-02-04 04:02:03,082 [YDAWBH120][Thread:10][ERROR] DotNetNuke.Services.Exceptions.Exceptions - ~/Default.aspx?error=An unexpected error has occurred&content=0
System.NullReferenceException: Object reference not set to an instance of an object.
   at DotNetNuke.Entities.Portals.PortalSettingsController.ConfigureActiveTab(PortalSettings portalSettings)
   at DotNetNuke.Framework.DefaultPage.InitializePage()
   at DotNetNuke.Framework.DefaultPage.OnInit(EventArgs e)
   at System.Web.UI.Control.InitRecursive(Control namingContainer)
   at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
2021-02-04 14:14:45,067 [YDAWBH120][Thread:72][ERROR] DotNetNuke.UI.WebControls.DNNListEditControl - System.FormatException: Input string was not in a correct format.
   at System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal)
   at System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info)
   at System.String.System.IConvertible.ToInt32(IFormatProvider provider)
   at System.Convert.ToInt32(Object value)
   at DotNetNuke.UI.WebControls.DNNListEditControl.get_OldIntegerValue()