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 (8.0.30) does not satisfy that requirement. Problem 2 - Root composer.json requires symfony/validator ^6.4|^7.0 -> satisfiable by symfony/validator[v6.4.0, ..., v6.4.15, v7.0.0, ..., v7.1.8]. - symfony/validator[v6.4.0, ..., v6.4.15] require php >=8.1 -> your php version (8.0.30) does not satisfy that requirement. - symfony/validator[v7.0.0, ..., v7.1.8] require php >=8.2 -> your php version (8.0.30) does not satisfy that requirement.