BEopt v3.0.1.0 - Error: "Cannot find corresponding design option in design" during Detailed Report generation

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Hi all,

I'm encountering a critical error in BEopt v3.0.1.0 when trying to generate a Detailed Report. The application crashes with the following message:

Message:
The following application error has occurred in BEopt v3.0.1.0.  Please report this to the BEopt development team and restart the application.

Unable to write output report to file

Inner Exception: 

Source:
BEopt.ObjLibCS

TargetSite:
NREL.BEopt.ObjLibCS.DesignOption GetCorrespondingDesignOption(NREL.BEopt.ObjLibCS.BEoptDesign)

Message:
Cannot find corresponding design option in design.

Stack Trace:
   at NREL.BEopt.ObjLibCS.Option.GetCorrespondingDesignOption(BEoptDesign aDesign) in C:\git\beopt\Source\BEoptObjLibCS\Measures\Option.cs:line 609
   at NREL.BEopt.ObjLibCS.BEoptCase.GenerateDetailedReport(String fileName, Int32 numReportsGenerated, Int32 numReportsToGenerate, Action`2 UpdateProgressBar) in C:\git\beopt\Source\BEoptObjLibCS\BEoptCase.cs:line 1181
   at NREL.BEopt.BEoptUIVB.BEopt_MainForm.GenerateDetailedReportToolStripMenuItem_Click(Object sender, EventArgs e) in C:\git\beopt\Source\BEopt\BEopt_MainForm.vb:line 737

What I’ve tried so far:

• Restarted BEopt and reopened the file
• Verified that the design options in each case appear complete (no blank fields or missing measures)
• Attempted report generation on other design cases in the same project, none of them work
• I'm not manually editing .bld files

Question:

• Is there a way to identify the specific problematic option?
• Are there known bugs or workarounds for this version of BEopt?

Thanks in advance for your help!