- Check for Duplicate Block Diagrams - Make sure that you don't have multiple instances of the same block diagram within your Simulink model. Duplicate block diagrams can lead to this error.
- Review Block Diagram Registration - Check your model's initialization code or any custom scripts you've written to register block diagrams or handlers.
- Clear Simulink cache and restart Simulink.
Error handler must not already be registered: blockDiagram
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intento abrir simulink pero me aparece este error
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Rishav
2023-9-6
Hi Laura,
This error message indicates that there's a problem with registering a block diagram or a handler within your Simulink model. Here are some workarounds to resolve this error:
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