Fatal error: Uncaught Error: Interface "Prophecy\Promise\PromiseInterface" not found in /usr/home/jiexusheng/domains/linuxdo.isgre.at/public_html/vendor/phpspec/prophecy/src/Prophecy/Promise/ReturnPromise.php:22
Stack trace:
#0 {main}
  thrown in /usr/home/jiexusheng/domains/linuxdo.isgre.at/public_html/vendor/phpspec/prophecy/src/Prophecy/Promise/ReturnPromise.php on line 22