Errors when using ssc_build – Invalid use of node voltage in custom Simscape component

2026 2 23
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Hello everyone,
I am trying to generate a Simulink library from custom Simscape components using ssc_build, but I am encountering compilation errors.
Context
I am converting a SPICE GaN FET model (EPC device) into a Simscape component and building the library with:
ssc_build EPCGaNLibrary
The library generation fails with the following error:
Generating Simulink library 'EPCGaNLibrary_lib' in the current directory
'C:\Users\PC\Desktop\LLC\Simulink_LLC\Article_2\EPCGaNLibrary' ...
Error using ssc_build
Failed to generate 'EPCGaNLibrary_lib'
Error in spice_to_ssc (line 5)
ssc_build EPCGaNLibrary
Caused by:
Invalid use of value 'drain.v'. All entities referenced in this expression must be valid parameters.
• In EPCGaNLibrary.EPC2071 (line 157)
• In EPCGaNLibrary.EPC2071 (line 152)
Thank you in advance for your help.
Best regards,
Souhail

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Souhail
Souhail
2026-2-23

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