Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires symfony/config ^8.0 -> satisfiable by symfony/config[v8.0.0-BETA1, ..., 8.2.x-dev]. - symfony/config[v8.0.0-BETA1, ..., 8.0.x-dev] require php >=8.4 -> your php version (7.4.33) does not satisfy that requirement. - symfony/config[v8.1.0-BETA1, ..., 8.2.x-dev] require php >=8.4.1 -> your php version (7.4.33) does not satisfy that requirement.