Conversion to double from struct

ERROR DESCRIPTION:

Error using get
Conversion to double from struct is not possible.
Error in conn (line 3897)
nsess=get(CONN_h.menus.m_setup_00{3},'value');
CONN18.b
SPM12 + DEM FieldMap MEEGtools
Matlab v.2019b
project: CONN18.b
storage: 840.1Gb available
spm @ C:\Program Files\MATLAB\spm12
conn @ C:\Program Files\MATLAB\conn

May I know how can i solve this matter? Under Roi --> network. Thank you