Warning: require_once(/home/.sites/1/site1718827/web/wp-content/plugins/events-calendar-pro/vendor/rlanvin/php-rrule/tests/../vendor/autoload.php): Failed to open stream: No such file or directory in /home/.sites/1/site1718827/web/wp-content/plugins/events-calendar-pro/vendor/rlanvin/php-rrule/tests/bootstrap.php on line 3

Fatal error: Uncaught Error: Failed opening required '/home/.sites/1/site1718827/web/wp-content/plugins/events-calendar-pro/vendor/rlanvin/php-rrule/tests/../vendor/autoload.php' (include_path='.:/usr/lib/php://share/php/php:/usr/share/pear:/usr/share/php') in /home/.sites/1/site1718827/web/wp-content/plugins/events-calendar-pro/vendor/rlanvin/php-rrule/tests/bootstrap.php:3
Stack trace:
#0 {main}
  thrown in /home/.sites/1/site1718827/web/wp-content/plugins/events-calendar-pro/vendor/rlanvin/php-rrule/tests/bootstrap.php on line 3