Problem with circles 0.20.6 in nc

i run
sudo -u www-data php /var/www/html/occ circles:test
- GET request on https://nextcloudX/index.php/csrftoken: 301

in private circles i can only add one user. if i add second user , the first user will overwriten.
In nextcloud.log:

user":"ncadmin","app":"no app in ontext","method":"PUT","url":"/apps/circles/v1/circles/9e6e96b8efb96f/member","message":"issue while useClient(): GuzzleHttp\\Exception\\RequestException; cURL error 60: SSL certificate problem: unable to get local issuer certificate (see; 0"

I have try try solution with cert in php.ini - no success

File a bug to the github repo.