SoC Builder Error: The specified key is not present in this container.

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Vu Hoang Thang Chau
Vu Hoang Thang Chau 2023-12-11
编辑： Sergei 2025-6-20
Hi All,
This is something only occurs to me after the big 2023b update. Everytime I try to rebuild my SoC Design, SoC Builder does not allow me to rebuild with the attached error. It happens only after I succesfully built the project, I tried other build options as well but did not help.
Other things I have already tried were to delete all the cache files (like *.slxc...) and folders (like slprj...).
The only solution I have right now is to copy the original project everytime i want to have a new build, which is unproductive.
At the moment, I suspect this might be because my project was upgraded from .2023a to .2023b and there might have been a clash. I will try to build a new project from scratch with .2023b. However, it would also be nice if you could tell me more about this error. Do not think I can share the project here because of size limit. Please reach out by email if you could and i will send you over email.
Regards,
Vu.
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Vu Hoang Thang Chau
Vu Hoang Thang Chau 2024-1-10
Hi Jacob,
I think I fixed this problem.
The problem can be elaborated as this, and hope it is useful for others.
SoC Build treats Subsystems inside the FPGA model at the top level as IP Cores when generated by SoC Builder. However, you cannot directly create Subsystems (IP Cores) as Enabled Subsystems, because this will cause the shown error. In order to solve this problem I have used a sub-subsystem in the IP Cores subsystems.
Hope this helps.
Regards,
Vu.
Sergei
Sergei 2025-6-20
编辑：Sergei 2025-6-20
Hello, @Vu Hoang Thang Chau!
I am having the same problem now, and I am also using an enabled subsystem in my FPGA model. Thank you a lot for your answer, creating a subsystem (IP core) wrapper for my enabled subsystem helped and now the model builds)
Best regards

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