Use syncro with joomla and i delete admin account plz help me

Hi all, i try an integration from joomla to elgg. Ok run and is perfect. For meke test i create some test account. At the and of this test i delete the test account but when i delete inside there is the admin account for elgg. Tooday i dont'have account admin in my elgg. I can login only with user account. There is a tips for create another admin account. I see in my phpadmin database table and i see one table with the user account but i dont create another admin account. PLZ help me i dont want re install elgg. "SIGH!" i dont have a backup database