Power overloading not supported for code generation

Hello,

I am currently facing a problem when generating code including power operator overload.

This is the model block from which I try to generate code:

This is the very simple function I have defined for this MATLAB function:

When code genration is launched whitout power operator overloading, the build process is successful:

But when code generation is launched with power operator overloading, the build process fails with the following error message:

Can anyone explain me this phenomena please ?

Thank you for your attention.