Fatal error: Uncaught Error: Interface 'RRule\RRuleInterface' not found in /hermes/walnacweb05/walnacweb05al/b1989/pow.jabryant/htdocs/OLL/WP/wp-content/plugins/events-calendar-pro/vendor/rlanvin/php-rrule/src/RRule.php:92
Stack trace:
#0 {main}
  thrown in /hermes/walnacweb05/walnacweb05al/b1989/pow.jabryant/htdocs/OLL/WP/wp-content/plugins/events-calendar-pro/vendor/rlanvin/php-rrule/src/RRule.php on line 92