Puuma69

That worked.Thanks

I have this error Warning: Cannot modify header information – headers already sent by (output started at /var/www/customers/lagooncharterfi/public_html/wp-includes/functions.php:1) in /var/www/customers/lagooncharterfi/public_html/wp-login.php on line 425

I tried to fix functions.php, line 1 but there is no wrong codes.Can someone help?

Hi

You mean this?
https://www.lagooncharter.fi/wp-admin/admin.php?page=ninja-forms&tab=form_settings&form_id=5