The only way I've found to get hooked up properly with Google is to have a different email for what you're wanting to do now. I started a new Google account with the new email address and just don't use the other one. Seems to be working fine. Good luck.

I'm not sure that I had the exact same issue but when I have more than one Gmail account open and I try to log into Google Adsense.

I get a message saying something about it's against Googles policy to have more than one account. And you can only log into one account which on would you like to log in.

From there I just pick the one account that I have. All Info is select the email that I use to login with Google Adsense and ignore the other emails listed.

After selecting the proper email. Google Adsense will let me in but sometimes I have to verify twice.

I hope this helps some

Log into the second account and delete it

I have run into this issue too. I don't have a 2nd account and have no idea how it thinks that I do. There is no way for me to delete this 2nd account so I'm stuck. Have gone through all the avenues that Google's Help section has. It seems only forums are available to assist. There's no way that I have found to contact an actual person to assist with the issue.
Did you ever resolve it Wilslynara?

Hi Tamara. To delete your account, you should first, sign in to your AdSense account. Select Account, then in your Account Information section, choose to cancel account. After that, review the information on the "Cancel account" page: wait to receive your cancellation email, select on the link to complete the cancellation process. Cheers! ✨ 🥇✨