getting error after deleting user from user manager

I deleted the user from user manager and when I tried to again signup for the same user using social login I get this error. How to resolve this


object(stdClass)#533 (3) {
["errors"]=>
array(1) {
[0]=>
object(stdClass)#532 (5) {
["domain"]=>
string(6) "global"
["reason"]=>
string(9) "authError"
["message"]=>
string(19) "Invalid Credentials"
["locationType"]=>
string(6) "header"
["location"]=>
string(13) "Authorization"
}
}
["code"]=>
int(401)
["message"]=>
string(19) "Invalid Credentials"
}

Hello.
We were treated several times on this issue, but no one to provide access for testing.
Please send to email support@slogin.info access to the site. (admin panel and FTP).
In a letter to specify the topic.