Fatal error: Uncaught Error: Call to undefined function proc_open() in /home/ttmarken/admin.t2tmarket.com/vendor/sebastian/version/src/Version.php:85 Stack trace: #0 /home/ttmarken/admin.t2tmarket.com/vendor/sebastian/version/src/Version.php(61): SebastianBergmann\Version->getGitInformation('/home/ttmarken/...') #1 /home/ttmarken/admin.t2tmarket.com/vendor/sebastian/version/src/Version.php(36): SebastianBergmann\Version->generate('11.5.55', '/home/ttmarken/...') #2 /home/ttmarken/admin.t2tmarket.com/vendor/phpunit/phpunit/src/Runner/Version.php(37): SebastianBergmann\Version->__construct('11.5.55', '/home/ttmarken/...') #3 /home/ttmarken/admin.t2tmarket.com/vendor/phpunit/phpunit/src/Runner/Version.php(48): PHPUnit\Runner\Version::id() #4 /home/ttmarken/admin.t2tmarket.com/vendor/nunomaduro/collision/src/Adapters/Phpunit/Autoload.php(10): PHPUnit\Runner\Version::series() #5 /home/ttmarken/admin.t2tmarket.com/vendor/composer/autoload_real.php(39): require('/home/ttmarken/...') #6 /home/ttmarken/admin.t2tmarket.com/vendor/composer/autoload_real.php(43): {closure:ComposerAutoloaderInit011e1f9384bdecb3d447fa9ef178af5b::getLoader():35}('a1cfe24d14977df...', '/home/ttmarken/...') #7 /home/ttmarken/admin.t2tmarket.com/vendor/autoload.php(25): ComposerAutoloaderInit011e1f9384bdecb3d447fa9ef178af5b::getLoader() #8 /home/ttmarken/admin.t2tmarket.com/public/index.php(17): require('/home/ttmarken/...') #9 {main} thrown in /home/ttmarken/admin.t2tmarket.com/vendor/sebastian/version/src/Version.php on line 85