Fatal error: Uncaught Error: Interface 'League\Container\Definition\DefinitionAggregateInterface' not found in /nfs/aesop1/hw00/d88/ecc/wordpress/wp-content/plugins/all-in-one-event-calendar/apiki/vendor/league/container/src/Definition/DefinitionAggregate.php:9 Stack trace: #0 {main} thrown in /nfs/aesop1/hw00/d88/ecc/wordpress/wp-content/plugins/all-in-one-event-calendar/apiki/vendor/league/container/src/Definition/DefinitionAggregate.php on line 9