Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires php ^8.1 but your php version (8.0.99; overridden via config.platform, actual: 8.1.2) does not satisfy that requirement. Problem 2 - Root composer.json requires doctrine/orm ^3.3 -> satisfiable by doctrine/orm[3.3.0]. - doctrine/orm 3.3.0 requires php ^8.1 -> your php version (8.0.99; overridden via config.platform, actual: 8.1.2) does not satisfy that requirement. Problem 3 - Root composer.json requires knplabs/knp-paginator-bundle ^6.6 -> satisfiable by knplabs/knp-paginator-bundle[v6.6.0, v6.6.1]. - knplabs/knp-paginator-bundle[v6.6.0, ..., v6.6.1] require php ^8.1 -> your php version (8.0.99; overridden via config.platform, actual: 8.1.2) does not satisfy that requirement. Problem 4 - Root composer.json requires symfony/asset ^7.0 -> satisfiable by symfony/asset[v7.0.0, ..., v7.1.6]. - symfony/asset[v7.0.0, ..., v7.1.6] require php >=8.2 -> your php version (8.0.99; overridden via config.platform, actual: 8.1.2) does not satisfy that requirement. Problem 5 - Root composer.json requires symfony/console ^7.0 -> satisfiable by symfony/console[v7.0.0, ..., v7.1.8]. - symfony/console[v7.0.0, ..., v7.1.8] require php >=8.2 -> your php version (8.0.99; overridden via config.platform, actual: 8.1.2) does not satisfy that requirement. Problem 6 - Root composer.json requires symfony/event-dispatcher ^7.0 -> satisfiable by symfony/event-dispatcher[v7.0.0, ..., v7.1.6]. - symfony/event-dispatcher[v7.0.0, ..., v7.1.6] require php >=8.2 -> your php version (8.0.99; overridden via config.platform, actual: 8.1.2) does not satisfy that requirement. Problem 7 - Root composer.json requires symfony/options-resolver ^7.0 -> satisfiable by symfony/options-resolver[v7.0.0, ..., v7.1.9]. - symfony/options-resolver[v7.0.0, ..., v7.1.9] require php >=8.2 -> your php version (8.0.99; overridden via config.platform, actual: 8.1.2) does not satisfy that requirement. Problem 8 - Root composer.json requires symfony/twig-bundle ^7.0 -> satisfiable by symfony/twig-bundle[v7.0.0, ..., v7.1.6]. - symfony/twig-bundle[v7.0.0, ..., v7.1.6] require php >=8.2 -> your php version (8.0.99; overridden via config.platform, actual: 8.1.2) does not satisfy that requirement. Problem 9 - Root composer.json requires symfony/yaml ^7.0 -> satisfiable by symfony/yaml[v7.0.0, ..., v7.1.6]. - symfony/yaml[v7.0.0, ..., v7.1.6] require php >=8.2 -> your php version (8.0.99; overridden via config.platform, actual: 8.1.2) does not satisfy that requirement. Problem 10 - Root composer.json requires symfony/maker-bundle ^1.61 -> satisfiable by symfony/maker-bundle[v1.61.0]. - symfony/maker-bundle v1.61.0 requires php >=8.1 -> your php version (8.0.99; overridden via config.platform, actual: 8.1.2) does not satisfy that requirement. Problem 11 - Root composer.json requires symfony/config ^7.0 -> satisfiable by symfony/config[v7.0.0, ..., v7.1.7]. - symfony/config[v7.0.0, ..., v7.1.7] require php >=8.2 -> your php version (8.0.99; overridden via config.platform, actual: 8.1.2) does not satisfy that requirement.