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You might have to disable the 2 Factor Authentication for your account, provided you have more than one method of authentication. See the following article for more information. Look at the bottom of the page specifically

https://helpx.adobe.com/in/x-productkb/global/2-step-verification-account-security.html

If this does not help then probably contacting support might bring out a solution. To contact support follow the instructions given below
1. Go to https://helpx.adobe.com/contact.html?rghtup=autoOpen
2. Wait a bit on the page that opens up, it should automatically open a chat popup. If that does not happen then look for a call out/chat icon at the bottom right, click over it and the chat popup should open
3. In order to talk to a human type "AGENT" in the chat box
4. If you are not able to get to the chat window, then disable your adblockers, firewall, enable cookies/scripts on your browser. If it still fails then change your browser/machine/network.

P.S. Be mindful of answering anyone who sends you a private message. See the following for more information about scammers
https://tinyurl.com/y7cfrr7y
-Manan