Caught "std::exception" Exception message is: Message Catalog MATLAB:services was not loaded from the file. Please check file location, format or contents..​..........​........i am getting exception when i am running the code instead of correct locatio

a=('D:\Seismic Data');
b=dir(fullfile(a));
L1=length(b);
k=1;

for i=3:L1

      c=dir(fullfile(a,b(i).name));
      L2=length(c);

      for j=3:L2-3
          d=fullfile(a,b(i).name,c(j).name);
          e=load(d);
          f(k,:)={c(j).name};
          %g=sprintf('A%d',k);
          t(k,:)=[mean(e) max(e) min(e) var(e)];
          %s(k,:)= t
          k=k+1;

      end

end

%%result save
wq={'Event Name','Mean','Max','Min','Var','Mean ch1','Max ch1','Min ch1','Var ch1','Mean ch2','Max ch2','Min ch2','Var ch2','Mean ch3','Max ch3','Min ch3','Var ch3','Duration','Pre-Event','Post-Event','Hour','Minut','Event Duration'};
xlswrite('D:\Test MATLAB\Myprogram2.xlsx',wq,'sheet1','A1');
xlswrite('D:\Test MATLAB\Myprogram2.xlsx',f,'sheet1','A2');
xlswrite('D:\Test MATLAB\Myprogram2.xlsx',t,'sheet1','B2');