[FieldTrip] error message in databrowser

[alotof eve]

Hello, experts,

I am using ICA following the tutirial steps. 
I got IC dataset "comp" with the command: comp = ft_componentanalysis (cfg, data);
and ft_topoplotIC(cfg, comp) works.

However, then I used ft_databrowser(cfg, comp), I got an error message:
Operands to the || and && operators must be
convertible to logical scalar values.

Error in ft_databrowser (line 135)
if hasdata && isfield(data, 'topo') &&
strmatch (cfg.viewmode, 'component')

Can anyone know the way to settle this? 
Thanks in advance.

Eve
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