I am trying to sign in to attend a session and it says 'Invalid user or password. Please try again.' I have reset my password and it still doesn't work. I created a new AdobeID and it still doesn't work. I need to attend this training. How can I get

I am trying to sign in to attend a session and it says 'Invalid user or password. Please try again.' I have reset my password and it still doesn't work. I created a new AdobeID and it still doesn't work. I need to attend this training. How can I get in?