facing this problem during admin login

I am facing this problem during admin login in my website.

dailyhealthfood.com/wp-admin/

401. That’s an error.

Error: invalid_client

The OAuth client was not found.

Request Details
access_type=online
approval_prompt=auto
scope=openid email https://www.googleapis.com/auth/userinfo.profile
response_type=code
redirect_uri=http://dailyhealthfood.com/wp-login.php
state=e89dfb81c9%7Chttp%3A%2F%2Fdailyhealthfood.com%2Fwp-admin%2F
client_id=dailyhealthfood-1199
That’s all we know.