Can´t build S-Function by using rtwbuild command [rti1401.tls]

Dear Supporter,

i use the matlab version 2018a with dspace and i try to make mfile scripts with this command :

h=load_system('SourceSubsys3');

open_system('SourceSubsys3')

% Setting the target files

mdlName = 'SourceSubsys3';

set_param(mdlName,'SystemTargetFile','rti1401.tlc');

rtwbuild([mdlName '/' 'SubOben']);

and i got the problem in the figure below :

and i try to solve the problem by myself that i untick the box in Configuration Parameter that shonw on this below picture:

but it still not shown the S-Function from my model. Anyone can solve this probelm?

thank you

[Benjamin Thompson]

Can you post the model and any required files so we can duplicate the problem?