Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires symfony/browser-kit ^4.4 || ^5.4 || ^6.4 -> satisfiable by symfony/browser-kit[v6.4.0, ..., v6.4.13]. - symfony/browser-kit[v6.4.0, ..., v6.4.13] require php >=8.1 -> your php version (8.0.30) does not satisfy that requirement. Problem 2 - Root composer.json requires symfony/debug-bundle ^4.4 || ^5.4 || ^6.4 -> satisfiable by symfony/debug-bundle[v6.4.0, ..., v6.4.13]. - symfony/debug-bundle[v6.4.0, ..., v6.4.13] require php >=8.1 -> your php version (8.0.30) does not satisfy that requirement. Problem 3 - Root composer.json requires symfony/dotenv ^4.4 || ^5.4 || ^6.4 -> satisfiable by symfony/dotenv[v6.4.0, ..., v6.4.16]. - symfony/dotenv[v6.4.0, ..., v6.4.16] require php >=8.1 -> your php version (8.0.30) does not satisfy that requirement. Problem 4 - Root composer.json requires symfony/intl ^4.4 || ^5.4 || ^6.4 -> satisfiable by symfony/intl[v6.4.0, ..., v6.4.15]. - symfony/intl[v6.4.0, ..., v6.4.15] require php >=8.1 -> your php version (8.0.30) does not satisfy that requirement. Problem 5 - Root composer.json requires symfony/web-profiler-bundle ^4.4 || ^5.4 || ^6.4 -> satisfiable by symfony/web-profiler-bundle[v6.4.0, ..., v6.4.16]. - symfony/web-profiler-bundle[v6.4.0, ..., v6.4.16] require php >=8.1 -> your php version (8.0.30) does not satisfy that requirement. Problem 6 - Root composer.json requires sylius/state-machine-abstraction ^1.0 -> satisfiable by sylius/sylius[v1.14.0, v1.14.1], sylius/state-machine-abstraction[v1.13.0, ..., v1.14.1]. - sylius/state-machine-abstraction[v1.13.0, ..., v1.14.1] require php ^8.1 -> your php version (8.0.30) does not satisfy that requirement. - sylius/sylius[v1.14.0, ..., v1.14.1] require php ^8.1 -> your php version (8.0.30) does not satisfy that requirement.