Fatal error: Uncaught Error: Interface 'Nexmo\Entity\JsonUnserializableInterface' not found in /var/www/ebeosi.com/vendor/nexmo/client-core/src/Insights/Basic.php:8 Stack trace: #0 {main} thrown in /var/www/ebeosi.com/vendor/nexmo/client-core/src/Insights/Basic.php on line 8