Relate Field is updated with Logic Hook according to log, but is not actually updated

<?php

if (!defined('sugarEntry') || !sugarEntry) die('Not A Valid Entry Point');

class PopulateFieldsLogicHook
{
public function populateFields($bean, $event, $arguments)
{


// Load the related accts_Financial_Accounts record
$bean->load_relationship('bene_beneficiaries_accts_financial_accounts');
$relatedAccounts = $bean->bene_beneficiaries_accts_financial_accounts->getBeans();
$financialAccountBean = array_shift($relatedAccounts);

if ($financialAccountBean) {
// Set the bene_Beneficiaries fields based on the related accts_Financial_Accounts record
$bean->account_registration_type = $financialAccountBean->account_registration_type_c;
$bean->bene_beneficiaries_accountsaccounts_ida = $financialAccountBean->accts_financial_accounts_accountsaccounts_ida;
$bean->bene_beneficiaries_accounts_name = $financialAccountBean->accts_financial_accounts_accounts_name;
}
$GLOBALS['log']->fatal("Field values before save: " . print_r([
'bene_beneficiaries_accountsaccounts_ida' => $bean->bene_beneficiaries_accountsaccounts_ida,
'bene_beneficiaries_accounts_name' => $bean->bene_beneficiaries_accounts_name,
], true));

}

function afterSaveMethod($bean, $event, $arguments)
{
// Log the values after the save operation
$GLOBALS['log']->fatal("Field values after save: " . print_r([
'bene_beneficiaries_accountsaccounts_ida' => $bean->bene_beneficiaries_accountsaccounts_ida,
'bene_beneficiaries_accounts_name' => $bean->bene_beneficiaries_accounts_name,
], true));
}
}
?>