Fatal error: Uncaught Error: Class "SebastianBergmann\Comparator\ObjectComparator" not found in /home/oyaagyug/public_html/vendor/phpspec/prophecy/src/Prophecy/Comparator/ProphecyComparator.php:17
Stack trace:
#0 {main}
thrown in /home/oyaagyug/public_html/vendor/phpspec/prophecy/src/Prophecy/Comparator/ProphecyComparator.php on line 17