Creating traceability links is not supported for objects in Simulink built-in libraries

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Piyush
Piyush 2025-10-10
编辑： Walter Roberson 2025-10-15
Getting the exception
Error using slreq.createLink
Link creation failed.
Caused by:
Error using slreq.createLink
Creating traceability links is not supported for objects in Simulink built-in libraries
When calling slreq.createLink with a System Composer component object as the first argument, and a struct as the second argument. Also tried using requirement as the second arg, but still getting the exception.
As I understand it, this error is thrown when you try to link library components, but this component is from a newly created System Composer model.
Any idea what might be the issue? Tried this on both R2024b and R2025a.
Edit: An interesting thing I just noticed is that this error does not occur when the model hasn't been saved yet. Only after you save the model does it occur.
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Piyush
Piyush 2025-10-15
Hey Josh,
I found out the issue. For anyone who encounters it in the future, It was because the slx file was present in the Matlab/bin folder. Loading a model from the Matlab installation directory seems to break the linking, Moving the model elsewhere seems to fix the issue.
Thanks a lot!

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回答（1 个）

Josh Kahn
Josh Kahn 2025-10-15
"It was because the slx file was present in the Matlab/bin folder. Loading a model from the Matlab installation directory seems to break the linking, Moving the model elsewhere seems to fix the issue."

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