I am facing an issue that is about Deep Learning HDL Toolbox is giving error that unrecognized field name is "connected" as mentioned in attached screenshots

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muhammad 2023-5-14

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https://ww2.mathworks.cn/matlabcentral/answers/1963124-i-am-facing-an-issue-that-is-about-deep-learning-hdl-toolbox-is-giving-error-that-unrecognized-field

回答： Sahas 2024-12-19

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muhammad 2023-5-14

Vikram Venkatesh 2023-5-25

I am unable to reproduce this issue. Could you share more information: Which version of MATLAB are you using? And, which operating system are you using?

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Sahas 2024-12-19

Hi @muhammad,

This error message occurs in MATLAB when trying to access a property name in a structure that does not have that field. It means that the hardware board you have selected might not be there supported in that MATLAB version.

The following workarounds might help resolve the issue:

Confirm that the FPGA device you are trying to select is supported by the toolbox. Refer to this MathWorks documentation link for more information: https://www.mathworks.com/help/deep-learning-hdl/ug/supported-networks-layers-boards-and-tools.html
Ensure that the version of MATLAB and the Deep Learning HDL Toolbox are compatible. Fields or functions may have been updated or changed in newer versions: https://www.mathworks.com/products/deep-learning-hdl.html
There might be an issue with the configuration files for the FPGA devices, or tere might be some currupted files. The most effective solution is to reinstall MATLAB and the Toolbox.
Ensure that MATLAB and the Toolbox path is set correctly. You can reset the path by using MATLAB's restoredefaultpath function in the command line and then adding your required paths again. Refer to the following MathWorks documentation: https://www.mathworks.com/help/matlab/ref/restoredefaultpath.html