Not able to send through gmail.

Replies: 0

Here is the error I am getting:

Versions:
WordPress: 4.9.5
WordPress MS: No
PHP: 7.1.14
WP Mail SMTP: 1.2.5

Params:
Mailer: gmail
Constants: No
Client ID/Secret: Yes
Auth Code: Yes
Access Token: Yes

Server:
OpenSSL: Yes
PHP.allow_url_fopen: Yes
PHP.stream_socket_client(): Yes
PHP.fsockopen(): Yes
PHP.curl_version(): Yes

Client ID and Secret ID are set and I clicked the orange Allow button, but still cannot send emails.