Fatal error: Uncaught Error: Class 'Tribe__Duplicate__Strategy__Base' not found in /home/www/sieml/wp-content/plugins/the-events-calendar/common/src/Tribe/Duplicate/Strategy/Same.php:10 Stack trace: #0 {main} thrown in /home/www/sieml/wp-content/plugins/the-events-calendar/common/src/Tribe/Duplicate/Strategy/Same.php on line 10