When running the DKE from the GUI on windows, the selected NiFTI file runs and processing fails "with no error message."

I have attached a copy of our parameters file. 

Here is a copy of the command prompt reading:

% Thu Oct 24 02:12:06 PM
studydir = 'D:/CIVM_Apps/DKE/dki_example_data_nifti/';
subject_list = {''};
preprocess_options.format = 'nifti';
preprocess_options.fn_nii = '4Drdki_0.nii';
fn_img_prefix = 'rdki';
bval = [0 1000 2000];
ndir = 30;
idx_1st_img = 1;
Kmin = 0;
NKmax = 3;
Kmin_final = 0;
Kmax_final = 3;
T = 50;
find_brain_mask_flag = 1;
dki_method.no_tensor = 0;
dki_method.linear_weighting = 1;
dki_method.linear_constrained = 1;
dki_method.nonlinear = 0;
dki_method.linear_violations = 0;
dki_method.robust_option = 0;
dki_method.noise_tolerance = 0.09;
dti_method.dti_flag = 0;
dti_method.dti_only = 0;
dti_method.no_tensor = 0;
dti_method.linear_weighting = 1;
dti_method.b_value = 1e+003;
dti_method.directions{1} = [1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30];
dti_method.robust_option = 0;
dti_method.noise_tolerance = 0.09;
fn_noise = '';
fwhm_img = [3.375 3.375 3.375];
fwhm_noise = [0 0 0];
median_filter_method = 2;
map_interpolation_method.flag = 1;
map_interpolation_method.order = 1;
map_interpolation_method.resolution = 1;
fn_gradients = 'gradient_vectors_siemens30.dat';
idx_gradients{1} = [1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30];
idx_gradients{2} = [1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30];

command line: dke DKEParameters.dat
Diffusional Kurtosis Estimator (DKE) version 2.6.0, February 2015
Start date and time: October 24, 2019 14:14:43
Diffusional Kurtosis Estimator (DKE) version 2.6.0
Reading input images... complete
Invalid MEX-file
'C:\Users\rpr14\AppData\Local\Temp\23\rpr14\mcrCache7.17\dke_840\toolbox\images\images\private\bwlabelnmex.mexw64':
The specified module could not be found.
Error in bwlabeln (line 76)
Error in dke_estimate>find_brain_mask (line 1629)
Error in dke_estimate (line 220)
Error in dke (line 182)
MATLAB:invalidMEXFile