codegen error at predict function

I am trying to convert my Matlab code to C++ using codegen function, but there is an error that I cannot fix.

There is no error when I use 2019b. But 2021a generate error message.

What should I do to avoid the error?

Part of my code:

Error message:

trainedInBedSVM use 'polynomial':

Answer 1

[Abhaya]

Hi Kwanghyun,

I encountered a similar issue when trying to use a saved model in MATLAB R2021a. I tried loading and saving the model again in MATLAB R2021a, and it fixed the error for me.

Please follow the steps given below to address the issue:

• Load the model using MATLAB‘loadLearnerForCoder’function.

    mdl = loadLearnerForCoder('CompactInBedSVM'); 

• Save the model using MATLAB ‘saveLearnerForCoder’ function.

    saveLearnerForCoder(mdl,'CompactInBedSVMNew'); 

For detailed information on these functions, please refer to the MATLAB documentation linked below.

https://www.mathworks.com/help/releases/R2021a/stats/loadlearnerforcoder.html

https://www.mathworks.com/help/releases/R2021a/stats/savelearnerforcoder.html

Hope this helps