When we tried to download any application and the mistake is seen in the above image appears, what to do is the following:
1. Let's settings.
2. Then to Accounts.
3. Select Google account.
4. Delete the account.
After removing the Google account:
1. Go to Add Account
2. Select Google.
3. Complete the data and add the account.
As a result, we will have solved error. I hope you have served.