Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/matrixweb/public_html/whmcs2022/whmcs/vendor/symfony/process/Tests/PhpExecutableFinderTest.php:20
Stack trace:
#0 {main}
thrown in /home/matrixweb/public_html/whmcs2022/whmcs/vendor/symfony/process/Tests/PhpExecutableFinderTest.php on line 20