RE: Error message - Reference to non-existent field 'X1'.

+1 - also getting this error consistently when attempting to do rsfmri connectivity analyses with a imported atlas - any insight would be appreciated! 

ERROR DESCRIPTION:

Reference to non-existent field 'X1'.
Error in conn (line 7347)
[CONN_h.menus.m_analyses.X,CONN_h.menus.m_analyses.select,names]=conn_designmatrix(CONN_x.Analyses(ianalysis).regressors,CONN_h.menus.m_analyses.X1,[],{nregressors,nview});
Error in conn (line 6401)
conn gui_analyses;
Error in conn (line 6639)
conn('gui_analysesgo',1);
CONN20.b
SPM12 + DEM FieldMap MEEGtools
Matlab v.2020b
project: CONN20.b
storage: 939.2Gb available