Error message with slice viewer MNI

Hello folks!

I have got the following problem...and dont know what to do...??


ERROR DESCRIPTION:

Error using strfind
PATTERN must be a string scalar or character vector.
Error in contains (line 36)
tf = ~cellfun(@isempty, strfind(s, pattern));
Error in matlab.ui.internal.prepareFigureFor
Error in rotate3d (line 171)
matlab.ui.internal.prepareFigureFor(f, mfilename('fullpath'));
Error in conn_slice_display (line 451)
set(rotate3d,'ActionPostCallback',{@conn_slice_display_refresh,'position'});
Error in conn (line 2302)
else fh=conn_slice_display(fullfile(fileparts(which(mfilename)),'utils','surf','referenceGM.nii'),CONN_x.Setup.structural{nsubs(1)}{nsess(1)}{1},[],.25);
CONN18.b
SPM12 + DEM FieldMap MEEGtools cat12
Matlab v.2019b
project: CONN18.b
storage: 366.1Gb available
spm @ D:\spm12
conn @ D:\conn18b\conn




Can anybody helpt??
Thanks Till