Fatal error: Uncaught Error: Interface 'React\Promise\PromiseAdapter\PromiseAdapterInterface' not found in /home/visaversa/public_html/wp-content/plugins/constant-contact-forms/vendor/react/promise/tests/PromiseAdapter/CallbackPromiseAdapter.php:7 Stack trace: #0 {main} thrown in /home/visaversa/public_html/wp-content/plugins/constant-contact-forms/vendor/react/promise/tests/PromiseAdapter/CallbackPromiseAdapter.php on line 7