WordPress Password

i’ve done a database reset on wordpress and i got automatically log out i tried logging in but the password i used doesn’t work. i’ve tried to reset the password but the email/username that i was using was incorrect. How can I gain access again to my wordpress?

P.S.
The first developer of our website must have used his email but now he is out of reach. I am the new developer of the website.

The page I need help with: [log in to see the link]