Fatal error: Uncaught Error: Class "SebastianBergmann\Diff\InvalidArgumentException" not found in /usr/home/jiexusheng/domains/linuxdo.isgre.at/public_html/vendor/sebastian/diff/src/Exception/ConfigurationException.php:18
Stack trace:
#0 {main}
  thrown in /usr/home/jiexusheng/domains/linuxdo.isgre.at/public_html/vendor/sebastian/diff/src/Exception/ConfigurationException.php on line 18