Hi,
I made the changes to the file basco_checkestimation on line 16 and to line 225 in BASCO.m but I still receive the following error message for some subjects:

Retrieving data from ROI 57 using summary function mean ...
Summarizing data with summary function: mean
Re-estimating covariance
Re-estimating whitening filter
Initialising parameters : ...done
Covariance estimate : ...voxelwise
Model : estimation
Temporal non-sphericity (over voxels) : ...estimation
ReML Block - 1
ReML Iteration : 1 ...3.410752e+25
ReML Iteration : 2 ...2.828835e+03
ReML Iteration : 3 ...4.421080e+01
ReML Iteration : 4 ...1.613961e+06
ReML Iteration : 5 ...4.180238e+01
ReML Iteration : 6 ...4.352357e+06
ReML Iteration : 7 ...4.636968e+01
ReML Iteration : 8 ...4.689308e+01
ReML Iteration : 9 ...1.634696e+04
ReML Iteration : 10 ...5.011224e+01
ReML Iteration : 11 ...3.862712e+03
ReML Iteration : 12 ...8.503537e+01
ReML Iteration : 13 ...5.833874e+02
ReML Iteration : 14 ...8.889501e+02
ReML Iteration : 15 ...1.863922e+02
ReML Iteration : 16 ...4.274574e+02
ReML Iteration : 17 ...1.672121e+03
ReML Iteration : 18 ...5.110463e+05
ReML Iteration : 19 ...4.828098e+01
ReML Iteration : 20 ...4.704126e+01
ReML Iteration : 21 ...6.273130e+05
ReML Iteration : 22 ...4.188783e+01
ReML Iteration : 23 ...7.261460e+03
ReML Iteration : 24 ...5.100982e+01
ReML Iteration : 25 ...8.972958e+03
ReML Iteration : 26 ...1.505456e+06
ReML Iteration : 27 ...1.283097e+02
ReML Iteration : 28 ...2.008960e+03
ReML Iteration : 29 ...2.246124e+03
ReML Iteration : 30 ...3.719424e+03
ReML Iteration : 31 ...7.797202e+06
ReML Iteration : 32 ...6.124269e-03
ReML Block - 2
ReML Iteration : 1 ...6.028477e+24
ReML Iteration : 2 ...6.179355e+02
ReML Iteration : 3 ...9.867692e+02
ReML Iteration : 4 ...2.847287e+02
ReML Iteration : 5 ...3.228575e+02
ReML Iteration : 6 ...2.212133e+02
ReML Iteration : 7 ...3.051855e+04
ReML Iteration : 8 ...1.003979e+01
ReML Iteration : 9 ...1.422214e+03
ReML Iteration : 10 ...5.317306e+01
ReML Iteration : 11 ...6.749793e+00
ReML Iteration : 12 ...1.624683e+06
ReML Iteration : 13 ...1.148070e+05
ReML Iteration : 14 ...1.237820e+11
ReML Iteration : 15 ...3.307808e+10
ReML Iteration : 16 ...2.169239e+01
ReML Iteration : 17 ...2.275552e-01
ReML Iteration : 18 ...2.411023e-02
ReML Iteration : 19 ...8.187992e-03
ReML Block - 3
ReML Iteration : 1 ...8.628086e+24
ReML Iteration : 2 ...1.992343e-01
ReML Iteration : 3 ...1.852284e-01
ReML Iteration : 4 ...2.820160e-01
ReML Iteration : 5 ...1.189589e-01
ReML Iteration : 6 ...3.375698e-01
ReML Iteration : 7 ...9.604632e-01
ReML Iteration : 8 ...3.161417e-01
ReML Iteration : 9 ...4.307677e-01
ReML Iteration : 10 ...2.068754e-01
ReML Iteration : 11 ...3.447115e-01
ReML Iteration : 12 ...7.117137e-01
ReML Iteration : 13 ...2.499299e-01
ReML Iteration : 14 ...2.532627e-02
ReML Iteration : 15 ...1.525531e-01
ReML Iteration : 16 ...5.933029e-01
ReML Iteration : 17 ...6.832739e-01
ReML Iteration : 18 ...2.374132e+00
ReML Iteration : 19 ...3.896834e-01
ReML Iteration : 20 ...1.498764e-02
ReML Iteration : 21 ...5.230396e-01
ReML Iteration : 22 ...6.657243e-01
ReML Iteration : 23 ...1.587401e+00
ReML Iteration : 24 ...2.196471e-02
ReML Iteration : 25 ...3.874127e-01
ReML Iteration : 26 ...9.265903e-02
ReML Iteration : 27 ...6.606886e-01
ReML Iteration : 28 ...1.192551e+00
ReML Iteration : 29 ...9.113033e-01
ReML Iteration : 30 ...5.524773e-02
ReML Iteration : 31 ...7.925981e-01
ReML Iteration : 32 ...6.872270e-01
ReML Iteration : 33 ...5.076939e-01
ReML Iteration : 34 ...1.386557e-01
ReML Iteration : 35 ...5.097154e-01
ReML Iteration : 36 ...2.239037e-02
ReML Iteration : 37 ...8.979627e-02
ReML Iteration : 38 ...7.340414e-02
ReML Iteration : 39 ...1.083122e-01
ReML Iteration : 40 ...2.579397e-01
ReML Iteration : 41 ...2.568578e-01
ReML Iteration : 42 ...1.010973e+00
ReML Iteration : 43 ...3.614601e+00
ReML Iteration : 44 ...1.057727e+00
ReML Iteration : 45 ...1.504028e-01
ReML Iteration : 46 ...2.351308e-02
ReML Iteration : 47 ...1.543476e-01
ReML Iteration : 48 ...3.993500e-01
ReML Iteration : 49 ...2.469874e-01
ReML Iteration : 50 ...4.375068e-01
ReML Iteration : 51 ...2.231699e-01
ReML Iteration : 52 ...4.365207e-01
ReML Iteration : 53 ...7.082969e-01
ReML Iteration : 54 ...4.793554e-01
ReML Iteration : 55 ...9.630564e-02
ReML Iteration : 56 ...3.928655e-01
ReML Iteration : 57 ...1.110299e+00
ReML Iteration : 58 ...1.810996e+00
ReML Iteration : 59 ...1.407834e+00
ReML Iteration : 60 ...1.211868e-01
ReML Iteration : 61 ...3.618090e-01
ReML Iteration : 62 ...2.167922e-01
ReML Iteration : 63 ...1.829130e-01
ReML Iteration : 64 ...8.644111e-01
ReML Block - 4
ReML Iteration : 1 ...6.866919e+24
ReML Iteration : 2 ...5.011138e+00
ReML Iteration : 3 ...2.151095e-01
ReML Iteration : 4 ...5.406613e-02
ReML Iteration : 5 ...8.375658e-01
ReML Iteration : 6 ...1.334521e+00
ReML Iteration : 7 ...7.013734e-02
ReML Iteration : 8 ...1.285255e+00
ReML Iteration : 9 ...1.387347e+00
ReML Iteration : 10 ...1.316738e+00
ReML Iteration : 11 ...4.913568e-02
ReML Iteration : 12 ...4.446727e+00
ReML Iteration : 13 ...3.673783e-01
ReML Iteration : 14 ...5.815593e-01
ReML Iteration : 15 ...6.456046e-01
ReML Iteration : 16 ...8.945228e-01
ReML Iteration : 17 ...1.561681e+00
ReML Iteration : 18 ...4.379552e-01
ReML Iteration : 19 ...4.910517e-03
ReML Block - 5
ReML Iteration : 1 ...2.162717e+24
ReML Iteration : 2 ...8.876681e+03
ReML Iteration : 3 ...2.196735e+01
ReML Iteration : 4 ...3.817622e+01
ReML Iteration : 5 ...1.270137e+05
ReML Iteration : 6 ...4.325122e+01
ReML Iteration : 7 ...5.862207e+04
ReML Iteration : 8 ...3.096524e+02
ReML Iteration : 9 ...1.539215e+03
ReML Iteration : 10 ...7.389998e+05
ReML Iteration : 11 ...5.132941e+02
ReML Iteration : 12 ...2.444608e+02
ReML Iteration : 13 ...1.067493e+04
ReML Iteration : 14 ...2.140501e+06
ReML Iteration : 15 ...4.237760e-03
Initialising parameters : ...computingIndex exceeds matrix dimensions.

Error in spdiags (line 114)
a((len(k)+1):len(k+1),:) = [i i+d(k) B(i+(m>=n)*d(k),k)];
Error in pr_estimate (line 128)
s = spdiags(1./sqrt(diag(s)),0,nScan,nScan);
Error in pr_estimate (line 345)
SPM = pr_estimate(SPM,marsY);
Error in mardo_5/estimate (line 72)
SPM = pr_estimate(SPM, marsY);
Error in BASCO>pushbuttonmodelspecest_Callback (line 423)
E = estimate(D,Y); % estimate model based on ROI
summary
Error in gui_mainfcn (line 96)
feval(varargin{:});
Error in BASCO (line 20)
gui_mainfcn(gui_State, varargin{:});
Error in
@(hObject,eventdata)BASCO('pushbuttonmodelspecest_Callback',hObject,eventdata,guidata(hObject))
Error while evaluating uicontrol Callback


Thank you in advance for your help!