Fatal error with 3.12.6

Hi, I am getting

There has been a critical error on this website. Please check your site admin email inbox for instructions.in Settings->Advanced Settings -> Forms. I have tried disabling all plugins and changed theme but I still get the error
in Settings->Advanced Settings -> Forms. I have tried disabling all plugins and changed theme but I still get the error

AH01071: Got error ‘PHP message: PHP Fatal error: Uncaught Error: Call to undefined function wppb_get_active_form_design() in /var/www/vhosts/SITEDOMAIN/httpdocs/SITE/wp-content/plugins/profile-builder/admin/advanced-settings/includes/views/view-forms.php:6\nStack trace:\n#0 /var/www/vhosts/SITEDOMAIN/httpdocs/SITE/wp-content/plugins/profile-builder/admin/advanced-settings/advanced-settings.php(69): include_once()\n#1 /var/www/vhosts/SITEDOMAIN/httpdocs/SITE/wp-includes/class-wp-hook.php(324): WPPB_Advanced_Settings->submenu_page_callback()\n#2 /var/www/vhosts/SITEDOMAIN/httpdocs/SITE/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()\n#3 /var/www/vhosts/SITEDOMAIN/httpdocs/SITE/wp-includes/plugin.php(517): WP_Hook->do_action()\n#4 /var/www/vhosts/SITEDOMAIN/httpdocs/SITE/wp-admin/admin.php(259): do_action()\n#5 {main}\n thrown in /var/www/vhosts/SITEDOMAIN/httpdocs/SITE/wp-content/plugins/profile-builder/admin/advanced-settings/includes/views/view-forms.php …’, referer: https://SITEURL/wp-admin/admin.php?page=profile-builder-general-settings

I tried with php 7 and 8. Any ideas?