I was upgrading my DNN install from  DNN 05.04.01 to  05.05.00 and my calendar of events was blank and an error was displayed when viewing in List view. So I rolled back my database and install files  to DNN 05.04.01. from my backup. This time I went to HOST -> EXTENSIONS and upgraded EVENTS to 5.0.3. I now, once again get this error shown below. I have ruled out the DNN 05.05.00 as the cause.  It appears to be an issue with the events upgrade.

Error: Calendar of Events is currently unavailable.
DotNetNuke.Services.Exceptions.ModuleLoadException: Argument 'Length' must be greater or equal to zero. ---> System.ArgumentException: Argument 'Length' must be greater or equal to zero. at Microsoft.VisualBasic.Strings.Left(String str, Int32 Length) at DotNetNuke.Modules.Events.EventRecurMasterController.DecomposeRRULE(String strRRULE, DateTime DTStart) at DotNetNuke.Modules.Events.TokenReplaceControllerClass.TokenReplaceEvent(EventInfo eventInfo, String sourceText, Dictionary`2 dict, EventSignupsInfo eventSignupsInfo, Boolean addsubmodulename) at DotNetNuke.Modules.Events.EventList.BindDataGrid(SortFilter sortExpression, SortDirection sortDirection) at DotNetNuke.Modules.Events.EventList.BindDataGrid() at DotNetNuke.Modules.Events.EventList.Page_Load(Object sender, EventArgs e) --- End of inner exception stack trace --

Also none of my events are displayed in calendar view.  I re-applied 5.0.3 to ensure that no files were missing.  What do I need to do to get this corrected?

Thank you in advance for your assistance in this matter.

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--Steve

Roger,

Thanks for the quick reply. As requested, I have emailed you with an new error.

Error: is currently unavailable. DotNetNuke.Services.Exceptions.ModuleLoadException: Object reference not set to an instance of an object. ---> System.NullReferenceException: Object reference not set to an instance of an object. at DotNetNuke.Modules.Events.Settings.LoadSettings() at DotNetNuke.Modules.Admin.Modules.ModuleSettingsPage.Page_Load(Object sender, EventArgs e) --- End of inner exception stack trace --

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--Steve

Go it & replied..

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--Steve