Creating EBS User and add System Administrator Reponsibility with PL/SQL

-- Create User
DECLARE
l_responsibility_id NUMBER;
l_application_id NUMBER;
l_user_id NUMBER := fnd_global.user_id;
x_user_id NUMBER;
l_password VARCHAR2 (2000) := 'password';
BEGIN
apps.hr_user_acct_internal.create_fnd_user (p_user_name => 'denilson',
p_password => l_password,
p_employee_id => NULL,
p_user_id => x_user_id,
p_user_start_date => SYSDATE,
p_email_address => NULL,
p_description => NULL,
p_password_date => NULL
);
DBMS_OUTPUT.put_line (x_user_id);
COMMIT;
END IF;
END;

Add "System Administrator" responsibility to User

BEGIN
fnd_user_pkg.addresp
(username => UPPER
('DENILSON'),
resp_app => 'SYSADMIN',
resp_key => 'SYSTEM_ADMINISTRATOR',
security_group => 'STANDARD',
description => 'DESCRIPTION',
start_date => SYSDATE,
end_date => NULL
);
COMMIT;
DBMS_OUTPUT.put_line ('Responsibility Added Successfully');
EXCEPTION
WHEN OTHERS
THEN
DBMS_OUTPUT.put_line ('Responsibility is not added due to'|| SQLCODE|| SUBSTR (SQLERRM, 1, 100));
ROLLBACK;
END;
/