Finding maximum occurrence within a loop

[jruizc]

Try with the XLSForm Offline converter (although I don't think that should make a difference).

I could only find one other post where a similar error was reported.

@Mitch_S

Running it through the online XLSForm, it produces:

Error: ODK Validate Errors: Group has no children! Group: ${gH}.

It seems like it happens when a group only has calculate values in it. Check if that is the case for your group ${Final_Notes}

Edit: There is another post about it

@Grzesiek2010

the problem is that you use empty groups, I mean groups that only contain calculation not real questions.