Error deprecated eventslib.php in moodle core for moodle3.9

[tiementuinstra]

In Moodle 3.9 the file eventslib.php is no longer part of the moodle core.

Warning: require_once(/var/www/html/lib/eventslib.php): failed to open stream: No such file or directory in /var/www/html/mod/adobeconnect/lib.php on line 29

Fatal error: require_once(): Failed opening required '/var/www/html/lib/eventslib.php' (include_path='/var/www/html/lib/pear:.:/usr/local/lib/php') in /var/www/html/mod/adobeconnect/lib.php on line 29