Use the name and password the office gave you.
Forgot your password?
Ask an admin in the office. They can set a new one on the app's Admin page in a few seconds.
Admin locked out? In Vercel, open the aj-commercial-takeoff project, then Settings, then Environment Variables. Add APP_PASSWORD with a new password and redeploy. Sign in here with your name and that password, set your own new password on the Admin page, then delete APP_PASSWORD in Vercel again.