Fatal error: Uncaught Error: Call to undefined function proc_open() in /home/clients/877515edef1bec0fd646939698e5c770/sites/hm3ldev.ch/vendor/sebastian/version/src/Version.php:85 Stack trace: #0 /home/clients/877515edef1bec0fd646939698e5c770/sites/hm3ldev.ch/vendor/sebastian/version/src/Version.php(61): SebastianBergmann\Version->getGitInformation('/home/clients/8...') #1 /home/clients/877515edef1bec0fd646939698e5c770/sites/hm3ldev.ch/vendor/sebastian/version/src/Version.php(36): SebastianBergmann\Version->generate('11.5.17', '/home/clients/8...') #2 /home/clients/877515edef1bec0fd646939698e5c770/sites/hm3ldev.ch/vendor/phpunit/phpunit/src/Runner/Version.php(37): SebastianBergmann\Version->__construct('11.5.17', '/home/clients/8...') #3 /home/clients/877515edef1bec0fd646939698e5c770/sites/hm3ldev.ch/vendor/phpunit/phpunit/src/Runner/Version.php(48): PHPUnit\Runner\Version::id() #4 /home/clients/877515edef1bec0fd646939698e5c770/sites/hm3ldev.ch/vendor/nunomaduro/collision/src/Adapters/Phpunit/Autoload.php(10): PHPUnit\Runner\Version::series() #5 /home/clients/877515edef1bec0fd646939698e5c770/sites/hm3ldev.ch/vendor/composer/autoload_real.php(41): require('/home/clients/8...') #6 /home/clients/877515edef1bec0fd646939698e5c770/sites/hm3ldev.ch/vendor/composer/autoload_real.php(45): {closure}('a1cfe24d14977df...', '/home/clients/8...') #7 /home/clients/877515edef1bec0fd646939698e5c770/sites/hm3ldev.ch/vendor/autoload.php(22): ComposerAutoloaderInit7e8c3c14ff33b199b4a0838993eb8423::getLoader() #8 /home/clients/877515edef1bec0fd646939698e5c770/sites/hm3ldev.ch/public/index.php(13): require('/home/clients/8...') #9 {main} thrown in /home/clients/877515edef1bec0fd646939698e5c770/sites/hm3ldev.ch/vendor/sebastian/version/src/Version.php on line 85