Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires symfony/console ^7.0 -> satisfiable by symfony/console[v7.0.0-BETA1, ..., 7.2.x-dev]. - symfony/console[v7.0.0-BETA1, ..., 7.2.x-dev] require php >=8.2 -> your php version (8.1.29) does not satisfy that requirement. Problem 2 - Root composer.json requires symfony/http-foundation ^7.0 -> satisfiable by symfony/http-foundation[v7.0.0-BETA1, ..., 7.2.x-dev]. - symfony/http-foundation[v7.0.0-BETA1, ..., 7.2.x-dev] require php >=8.2 -> your php version (8.1.29) does not satisfy that requirement. Problem 3 - phpunit/phpunit[11.0.0, ..., 11.4.x-dev] require php >=8.2 -> your php version (8.1.29) does not satisfy that requirement. - Root composer.json requires phpunit/phpunit ^11.0 -> satisfiable by phpunit/phpunit[11.0.0, ..., 11.4.x-dev].