Fatal error: Uncaught Error: Call to undefined function proc_open() in /home/miladtech/domains/milad-tech.com/public_html/core/vendor/sebastian/version/src/Version.php:66 Stack trace: #0 /home/miladtech/domains/milad-tech.com/public_html/core/vendor/sebastian/version/src/Version.php(45): SebastianBergmann\Version->getGitInformation() #1 /home/miladtech/domains/milad-tech.com/public_html/core/vendor/sebastian/version/src/Version.php(29): SebastianBergmann\Version->generate() #2 /home/miladtech/domains/milad-tech.com/public_html/core/vendor/phpunit/phpunit/src/Runner/Version.php(37): SebastianBergmann\Version->__construct() #3 /home/miladtech/domains/milad-tech.com/public_html/core/vendor/phpunit/phpunit/src/Runner/Version.php(45): PHPUnit\Runner\Version::id() #4 /home/miladtech/domains/milad-tech.com/public_html/core/vendor/nunomaduro/collision/src/Adapters/Phpunit/Autoload.php(10): PHPUnit\Runner\Version::series() #5 /home/miladtech/domains/milad-tech.com/public_html/core/vendor/composer/autoload_real.php(41): require('...') #6 /home/miladtech/domains/milad-tech.com/public_html/core/vendor/composer/autoload_real.php(45): {closure}() #7 /home/miladtech/domains/milad-tech.com/public_html/core/vendor/autoload.php(22): ComposerAutoloaderInit67a914f9b6208bec6be4a55d6592d0ca::getLoader() #8 /home/miladtech/domains/milad-tech.com/public_html/index.php(34): require('...') #9 {main} thrown in /home/miladtech/domains/milad-tech.com/public_html/core/vendor/sebastian/version/src/Version.php on line 66