try
    % Connect to ETABS
    ETABSObject = actxserver('CSI.ETABS.API.ETABSObject');
    % Attempt to access the SapModel property to check if ETABS is open
    SapModel = ETABSObject.SapModel;
    % Prompt the user to select joints in ETABS
    msgbox('Please manually select the joints in ETABS to rename.', 'Info', 'modal');
    pause(5); % Allow time for user to select joints
    % Get the selected joints
    selectedJoints = SapModel.SelectObj.GetAllPoints;
    % Check if any joints are selected
    if isempty(selectedJoints)
        error('No joints selected. Please select joints in ETABS before running the script.');
    end
    % Sort the selected joints by their current labels
    [~, idx] = sort({selectedJoints.Name});
    selectedJoints = selectedJoints(idx);
    % Rename joints to consecutive labels (1 to 1500)
    for i = 1:length(selectedJoints)
        newLabel = num2str(i);
        SapModel.PointObj.SetLabel(selectedJoints(i).Name, newLabel);
        disp(['Joint ' selectedJoints(i).Name ' renamed to ' newLabel]);
    end
I am getting this error,
Error: Undefined function 'GetAllPoints' for input arguments of type 'Interface.CSi_Application_Programming_Interface__API__v1_cSelect'.