For the last ~24hrs I've been getting this error when I try to generate my report to upload. This is the error message. I've tried a range of observations, but it seems to be the same error regardless and it's consistent.
There is no row at position 0.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.IndexOutOfRangeException: There is no row at position 0.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[IndexOutOfRangeException: There is no row at position 0.]
System.Data.RBTree`1.GetNodeByIndex(Int32 userIndex) +2023551
AAVSO_Util.CreateColorReport(ColorPhotometryHelper helper) +65
Restricted_AAVSOReport.btnOK_Click(Object sender, EventArgs e) +2300
System.Web.UI.WebControls.Button.OnClick(EventArgs e) +9816434
System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +204
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +12
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +15
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +35
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1639
Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.2623.0