ERP Bin Operations Error Message

Greetings!

I am new to ERP Lab and I am trying to use ERP Bin Operations. I am getting the following error message:

Index exceeds matrix dimensions.

Error in checkformulas (line 213)

pright = regexpi(parts{t}{2}, exp04, 'tokens');

Error in binoperGUI>RUN_Callback (line 311)

[option, recall, goeson] = checkformulas(cellstr(formulalist), 'binoperGUI', editormode);

Error in gui_mainfcn (line 95)

feval(varargin{:});

Error in binoperGUI (line 111)

gui_mainfcn(gui_State, varargin{:});

Error in matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)binoperGUI('RUN_Callback',hObject,eventdata,guidata(hObject))

Error using uiwait (line 81)

Error while evaluating UIControl Callback

Index exceeds matrix dimensions.

Error in checkformulas (line 213)

pright = regexpi(parts{t}{2}, exp04, 'tokens');

Error in binoperGUI>RUN_Callback (line 311)

[option, recall, goeson] = checkformulas(cellstr(formulalist), 'binoperGUI', editormode);

Error in gui_mainfcn (line 95)

feval(varargin{:});

Error in binoperGUI (line 111)

gui_mainfcn(gui_State, varargin{:});

Error in matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)binoperGUI('RUN_Callback',hObject,eventdata,guidata(hObject))

Error using uiwait (line 81)

Error while evaluating UIControl Callback

I have checked my formulas and they are correct. Any ideas what is going wrong? Thanks in advance!