Fatal error: Uncaught Error: Interface "Rx\Operator\OperatorInterface" not found in /home/innovecobranca/api/notice.innovecobrancas.com.br/vendor/reactivex/rxphp/src/Operator/IsEmptyOperator.php:9 Stack trace: #0 {main} thrown in /home/innovecobranca/api/notice.innovecobrancas.com.br/vendor/reactivex/rxphp/src/Operator/IsEmptyOperator.php on line 9