Form onValidation

[xkomiks]

I have a large form. And the fields are divided into sections in an accordion, when submitting I get the error "an invalid form control with name="..." is not focusable." Which is generally expected

But how can I intercept the error before submitting to open a specific accordion?

I expected that I would be able to catch errors in the second argument of handleSubmit, but this did not happen. Does anyone have any suggestions? I think this has happened to someone before.