Ukulele chords entered using < > syntax

[Richard Shann]

With this code I get an error and the lowest (re-entrant) string is not used

\version "2.18.0"
\include "predefined-ukulele-fretboards.ly"
%\storePredefinedDiagram #default-fret-table <g' c' e' c''> #ukulele-tuning 
#"o;o;o;3;"
\score 
   {
        \new FretBoards {
        \set Staff.stringTunings = #ukulele-tuning
        <g' c' e' c''> 
        } 
   }

by uncommenting the line I get the fret diagram wanted.

Am I missing something, or do I need to define all the needed chords in
this way if I am to avoid using \cbordmode for entering the chords?

Richard