Register User ErrorBrowser Info Environment
Warning: Cannot modify header information - headers already sent by (output started at *root*/packages/proforms/models/attribute/types/register_user/controller.php:23) in *root*/concrete/core/libraries/controller.php on line 433
It doesn't hinder the creation of the user account because the new user shows up in the Dashboard.
register_user/controller.php line 23
print Loader::helper('form')->hidden($this->field('value'), 2);
concrete/core/libraries/controller.php line 433