aldalel2020
I have been able to link this on our end by checking the information which was inputted into the mediation app and used your phone number instead.
When you input the information into the mediation app you will want to make sure it matches your Adsense account information correctly. You can usually find you information in your Adsense account by going to payments> Payment info > Settings (select manage settings) > Payment Users (manage payment users).