Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpunit/phpunit 11.4.2 -> satisfiable by phpunit/phpunit[11.4.2]. - phpunit/phpunit 11.4.2 requires php >=8.2 -> your php version (8.1; overridden via config.platform, actual: 8.2.24) does not satisfy that requirement. Problem 2 - Root composer.json requires symfony/console 7.1.5 -> satisfiable by symfony/console[v7.1.5]. - symfony/console v7.1.5 requires php >=8.2 -> your php version (8.1; overridden via config.platform, actual: 8.2.24) does not satisfy that requirement.