[FieldTrip] manually marked artifacts in ft_databrowser

[Steinmann, Iris]

Dear fieldtrip experts,

when I use ft_databrowser and mark trials manually as artifacts ('visual'), some (but not all) of these are again unmarked when I scroll back to them later. First I thought its maybe a problem with displaying the manually marked trials in the databrowser window, but when I close the ft_databrowser window, these trials are also not stored in the cfg.artifacts.artfctdef.visual.
I'm using MATLAB 2015 b on a Linux machine with fieldtrip-20181122. Down below is the full code I'm using for the ft_databrowser plot.

Thanks for any idea!
Cheers!

Iris

cfg = [];
cfg.channel = 'eeg';
cfg.viewmode = 'vertical';
cfg.preproc.lpfilter = 'yes';
cfg.preproc.lpfreq = 45;
cfg.artfctdef.stat.artifact = artifact_stat;
cfg.selectfeature = 'visual';
cfg.selectmode = 'markartifact';
cfg = ft_databrowser(cfg, data);

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