[02-Sep-2024 09:55:46 +1000]: <jeubj67s> caldav_driver: Sabre\HTTP\ClientException: SSL certificate problem: self-signed certificate in certificate chain in /opt/local/share/roundcubemail/vendor/sabre/http/lib/Client.php:328
Stack trace:
#0 /opt/local/share/roundcubemail/vendor/sabre/http/lib/Client.php(116): Sabre\HTTP\Client->doRequest()
#1 /opt/local/share/roundcubemail/vendor/sabre/dav/lib/DAV/Client.php(300): Sabre\HTTP\Client->send()
#2 /opt/local/share/roundcubemail/vendor/sabre/dav/lib/DAV/Client.php(198): Sabre\DAV\Client->doPropFind()
#3 /opt/local/share/roundcubemail/plugins/calendar/drivers/caldav/caldav_client.php(363): Sabre\DAV\Client->propFind()
#4 /opt/local/share/roundcubemail/plugins/calendar/drivers/caldav/caldav_driver.php(2068): caldav_client->prop_find()
#5 /opt/local/share/roundcubemail/plugins/calendar/drivers/caldav/caldav_driver.php(339): caldav_driver->_autodiscover_calendars()
#6 /opt/local/share/roundcubemail/plugins/calendar/drivers/caldav/caldav_driver.php(246): caldav_driver->create_source()
#7 /opt/local/share/roundcubemail/plugins/calendar/calendar.php(933): caldav_driver->create_calendar()
#8 /opt/local/share/roundcubemail/program/lib/Roundcube/rcube_plugin_api.php(577): calendar->calendar_action()
#9 /opt/local/share/roundcubemail/program/include/rcmail.php(262): rcube_plugin_api->exec_action()
#10 /opt/local/share/roundcubemail/index.php(278): rcmail->action_handler()
#11 {main}