How do i fix the error titled ''Unexpected exception (Package is not open) was caught''?

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Marc Saade
Marc Saade 2019-2-21
Hello I am doing a simulation and i am trying in a script to run the simulink model and get result of an output for different parameter.
clc
clear all
close all
%Define parameter sets
iteration=275;
K_sweep=linspace(0.39,0.63375,275);
simout=cell(1,iteration);
%run the simulation command in a loop and collect the simualtion results
for idx=1:length(K_sweep)
%load Simulink model
load_system('MyMODEL');
set_param('MyMODEL/ESR','Resistance',num2str(K_sweep(idx)));
simout{idx}=sim('MyMODEL');
v122=V12(1:20920,1);
%Store values into
sad(:,idx)=v122;
end
but i get this error (though the simulation work and takes a few data and store them into the sad but then crashes)
the error is ''Unexpected exception (Package is not open) was caught''.
Can someone please tell me how can i fix this?

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