Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires symfony/dependency-injection ^7.1 -> satisfiable by symfony/dependency-injection[v7.1.0, v7.1.1, v7.1.2, v7.1.3]. - symfony/dependency-injection[v7.1.0, ..., v7.1.3] require php >=8.2 -> your php version (8.1.29) does not satisfy that requirement. Problem 2 - Root composer.json requires symfony/property-access ^7.1.1 -> satisfiable by symfony/property-access[v7.1.1]. - symfony/property-access v7.1.1 requires php >=8.2 -> your php version (8.1.29) does not satisfy that requirement. Problem 3 - phpunit/phpunit[11.2.0, ..., 11.2.8] require php >=8.2 -> your php version (8.1.29) does not satisfy that requirement. - Root composer.json requires phpunit/phpunit ^11.2 -> satisfiable by phpunit/phpunit[11.2.0, ..., 11.2.8].