parallel computing in MultiStart for global maximum

My task is to estimate 11 parameters which would make the maximum likelihood function fit best. So yufun is my function, r is the data that I have and params including the 11 parameters is the one I would like to estimate.

The program seems stuck at a function whose name is remoteparfor. I found it because when I click on pause, it stop at remoteparfor. More specifictly, it stop at this loop:

                    while isempty(r)

                    r = q.poll(1, java.util.concurrent.TimeUnit.SECONDS);

                    obj.displayOutput();

                    % Only test to see if the session is failing if we didn't get a

                    % results from the queue

                    if isempty(r) && ~obj.Session.isSessionRunning

                        errorMessageInput = iGetParpoolLinkForError();

                        error(message('parallel:lang:parfor:SessionShutDown', errorMessageInput));

                    end

                end

my code is attached as below:

% params=sym('params');

% r_bar=params(1);

% p_bar=params(2);

% tp=params(3);

% rho_p=params(4);

% n_bar=params(5);

% tn=params(6);

% rho_n=params(7);

% phi_pp=params(8);

% phi_pn=params(9);

% phi_np=params(10);

% phi_nn=params(11);

tic;

ms = MultiStart('UseParallel','always');

r=normrnd(0.009347597,0.002834309,1000,1);

yufun=@(params)(-1*bege_gjrgarch_likelihood(r, params));

opts = optimoptions(@fmincon,'Algorithm','sqp');

problem = createOptimProblem('fmincon','x0',zeros(1,11),...
    'objective',yufun,'lb',[0,0,0,0,0,0,0,-1,-1,-1,-1],...
    'ub',ones(1,11));

[params,fval,exitflag,output,solutions] = run(ms,problem,20);

toc;

Does anyone can help me solve this problem ? Or can provide another way to get global maximum.