After quality control of the data, opening data processing and importing the quality controlled data will improve this.

Reference to non-existent field 'SD'.

Error in FC_NIRS_displayTimeseries>input_directory_Callback (line 356)

Error in FC_NIRS_displayTimeseries>pushbutton14_Callback (line 746)

Error in gui_mainfcn (line 95)

Error in FC_NIRS_displayTimeseries (line 42)

Error in @(hObject,eventdata)FC_NIRS_displayTimeseries('pushbutton14_Callback',hObject,eventdata,guidata(hObject))

Error while evaluating uicontrol Callback

  MException with properties:

    identifier: 'MATLAB:nonExistentField'
       message: 'Reference to non-existent field 'SD'.'
         cause: {}
         stack: [6x1 struct]

Error place:func input_directory_Callback  line 356
Reference to non-existent field 'SD'.

Error in FC_NIRS_displayTimeseries>input_directory_Callback (line 356)

Error in FC_NIRS_displayTimeseries>pushbutton14_Callback (line 746)

Error in gui_mainfcn (line 95)

Error in FC_NIRS_displayTimeseries (line 42)

Error in @(hObject,eventdata)FC_NIRS_displayTimeseries('pushbutton14_Callback',hObject,eventdata,guidata(hObject))

Error while evaluating uicontrol Callback

Attempt to reference field of non-structure array.

Error in FC_NIRS_displayTimeseries>saveResult (line 1363)

Error in FC_NIRS_displayTimeseries>pushbutton28_Callback (line 1255)

Error in gui_mainfcn (line 95)

Error in FC_NIRS_displayTimeseries (line 42)

Error in @(hObject,eventdata)FC_NIRS_displayTimeseries('pushbutton28_Callback',hObject,eventdata,guidata(hObject))

Error while evaluating uicontrol Callback

  MException with properties:

    identifier: 'MATLAB:nonExistentField'
       message: 'Reference to non-existent field 'SD'.'
         cause: {}
         stack: [6x1 struct]

Error place:func input_directory_Callback  line 356
Reference to non-existent field 'SD'.

Error in FC_NIRS_displayTimeseries>input_directory_Callback (line 356)

Error in FC_NIRS_displayTimeseries>pushbutton14_Callback (line 746)

Error in gui_mainfcn (line 95)

Error in FC_NIRS_displayTimeseries (line 42)

Error in @(hObject,eventdata)FC_NIRS_displayTimeseries('pushbutton14_Callback',hObject,eventdata,guidata(hObject))

Error while evaluating uicontrol Callback

  MException with properties:

    identifier: 'MATLAB:nonStrucReference'
       message: 'Attempt to reference field of non-structure array.'
         cause: {}
         stack: [4x1 struct]

Error place:func pushbutton18_Callback  line 1071

This question is best directed to the FC-NIRS team (this tracker is for issues specific to NITRC itself).  See https://www.nitrc.org/projects/fcnirs/; you might try opening a ticket in one of the trackers or contacting the developer directly (see the Members box).

I am using FC-NIRS

What software are you using?