[FieldTrip] ft_topoplotIC error "could not determine dimord"

[Hahn, L.E. (Laura)]

Dear fieldtrip experts,

I am trying to plot the result of ft_componentanalysis with ft_topoplotIC. I tried the same in February 2019 and then everything worked fine, i.e. I received a plot of the components. Now, however, I tried re plotting the same participants and new participants and get the following error message for both:

ft_topoplotIC(cfg, comp_eeg)
reading layout from file layout_LauraLayout.mat
the call to "ft_prepare_layout" took 1 seconds and required the additional allocation of an estimated 0 MB
Warning: could not determine dimord of "comp" in:

             label: {26×1 cell}
               cfg: [1×1 struct]
              topo: [26×1 double]
        topodimord: 'chan_comp'
              comp: 1
          unmixing: [1×26 double]
    unmixingdimord: 'chan_topochan'

Warning: Some points fall outside the outline, please consider using another layout
Undefined function or variable 'c'.

Error in topoplot_common (line 758)
  ylabel(c, cfg.colorbartext);

Error in ft_topoplotIC (line 178)
    [cfg] = topoplot_common(cfg, comp);


I tried different datasets and different matlab versions, but I keep getting the same error message. I wondered if it has anything to do with recent changes in the underlying fieldtrip code that I might need to incorporate into my script, given that the command used to work a couple of months ago.
The figure window does include only 1 component, where instead it should include 20.

This is my cfg

cfg =

  struct with fields:

    component: [1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20]
       layout: 'layout_RhymeSong.mat'
      comment: 'no'


And this is my data

comp_eeg =

  struct with fields:

       fsample: 500
          time: {1×611 cell}
         trial: {1×611 cell}
          topo: [26×26 double]
      unmixing: [26×26 double]
         label: {26×1 cell}
     topolabel: {26×1 cell}
    sampleinfo: [611×2 double]
           cfg: [1×1 struct]

Kind regards and thank you in advance,

Laura
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https://doi.org/10.1371/journal.pcbi.1002202