Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires symfony/browser-kit ^7.0 -> satisfiable by symfony/browser-kit[v7.0.0, ..., v7.1.1]. - symfony/browser-kit[v7.0.0, ..., v7.1.1] require php >=8.2 -> your php version (8.1.29) does not satisfy that requirement. Problem 2 - Root composer.json requires symfony/messenger ^7.0 -> satisfiable by symfony/messenger[v7.0.0, ..., v7.1.3]. - symfony/messenger[v7.0.0, ..., v7.1.3] require php >=8.2 -> your php version (8.1.29) does not satisfy that requirement. Problem 3 - Root composer.json requires symfony/stopwatch ^7.0 -> satisfiable by symfony/stopwatch[v7.0.0, ..., v7.1.1]. - symfony/stopwatch[v7.0.0, ..., v7.1.1] require php >=8.2 -> your php version (8.1.29) does not satisfy that requirement. Problem 4 - Root composer.json requires symfony/twig-bundle ^7.0 -> satisfiable by symfony/twig-bundle[v7.0.0, ..., v7.1.1]. - symfony/twig-bundle[v7.0.0, ..., v7.1.1] require php >=8.2 -> your php version (8.1.29) does not satisfy that requirement. Problem 5 - Root composer.json requires symfony/var-dumper ^7.0 -> satisfiable by symfony/var-dumper[v7.0.0, ..., v7.1.3]. - symfony/var-dumper[v7.0.0, ..., v7.1.3] require php >=8.2 -> your php version (8.1.29) does not satisfy that requirement. Problem 6 - Root composer.json requires symfony/yaml ^7.0 -> satisfiable by symfony/yaml[v7.0.0, ..., v7.1.1]. - symfony/yaml[v7.0.0, ..., v7.1.1] require php >=8.2 -> your php version (8.1.29) does not satisfy that requirement. Problem 7 - symfony/serializer[v7.0.0, ..., v7.1.3] require php >=8.2 -> your php version (8.1.29) does not satisfy that requirement. - Root composer.json requires symfony/serializer ^7.0 -> satisfiable by symfony/serializer[v7.0.0, ..., v7.1.3].