Mail sending error

Replies: 0

Can you please help me with this error…

Versions:
WordPress: 5.5
WordPress MS: No
PHP: 7.3.21
WP Mail SMTP: 2.3.1

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

Server:
OpenSSL: OpenSSL 1.1.1g 21 Apr 2020
PHP.allow_url_fopen: No
PHP.stream_socket_client(): Yes
PHP.fsockopen(): Yes
PHP.curl_version(): 7.69.1

Debug:
Mailer: Gmail
cURL error 2: easy handle already used in multi handle (see https://curl.haxx.se/libcurl/c/libcurl-errors.html)