Fatal error: Uncaught Error: Call to undefined function PHPStan\Testing\assertType() in /var/www/socket.payloader.fctdme.org.ng/vendor/react/promise/tests/types/all.php:7 Stack trace: #0 {main} thrown in /var/www/socket.payloader.fctdme.org.ng/vendor/react/promise/tests/types/all.php on line 7