Hi Rita,
It seems to be compatibility issue with PHP 8, I just updated line 66 in this file:
/templates/ja_medicare/html/com_users/profile/edit.php
<?php if (isset($this->twofactormethods) && count($this->twofactormethods) > 1) : ?>
The edit profile page should work fine now: /index.php/usuario/editar-perfil
Kindly check.