404 error when submitting the form. The form is not detected in the site control panel

[clarnx]

Hi @157licnyj, welcome and thanks for the post.
If you have not visited the Netlify Support Guide link below regarding how to fix forms submission problems, kindly visit the link.

[Support Guide] Form not showing in Netlify site dashboard

Last reviewed: August 2023 We can definitely help you get your form working! Our form handling will work automatically for valid html forms but there are a few things you need so our form-handling can find your form. Here’s a few common things to check for: Your <form> tag has a netlify (or data-netlify=true in javascript frameworks) attribute, as described and demonstrated in this article. You have a name attribute for your form definition to let our system identify it as a unique form and t…

Thanks.