topoplots in manual preproc example fail

[RomeshA]

e.g. sensors_topoplot(D,topo,{'MEGPLANAR' 'MEGMAG'},1); and sensors_topoplot(D_africa,topo2,{'MEGPLANAR' 'MEGMAG'},1);

>> sensors_topoplot(D,topo,{'MEGPLANAR' 'MEGMAG'},1);
reading layout from file /Users/romesh/oxford_postdoc/toolboxes/osl/layouts/neuromag306mag.lay
Error using topoplot_common (line 621)
labels in data and labels in layout do not match

Error in ft_topoplotER (line 195)
cfg = topoplot_common(cfg, varargin{:});

Error in sensors_topoplot (line 68)
        ft_topoplotER(cfg,data);