Question
I implement the following steps in Simulink 7.1 (R2008a) 1. Open simulink new-model editor. 2. Drag and drop some block into the model. 3. Re-name the block in Korean and Save the model. Simulink complains that Korean characters cannot be saved: ??? Error using ==> save_system If I execute the following commands bdclose all; set_param(0, 'CharacterEncoding', 'ISO-8859-1') I can save mdl file with Korean named block.
Expert Answer
Neeta Dsouza
PhD Expert
Answered Aug 14, 2026
This enhancement has been incorporated in Release 2011b (R2011b). For previous product releases, read below for any possible workarounds:
There is a limitation in Simulink 7.1 (R2008a) in the way that non ISO-8859-1, US-ASCII, Windows-1252, or Shift-JIS, character encodings are saved or loaded for the first time. Attempting to save or load such a model will cause an error.
As a workaround, execute the following at the MATLAB command prompt, and then save the model.
load_system('simulink');
feature('MultibyteCharSetChecking',0);
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