Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires cache/array-adapter ^3.0 -> satisfiable by cache/array-adapter[3.0.0, 3.0.x-dev]. - cache/array-adapter[3.0.0, ..., 3.0.x-dev] require php ^8.2 -> your php version (8.1.34) does not satisfy that requirement. Problem 2 - Root composer.json requires symfony/cache ^8.0 -> satisfiable by symfony/cache[v8.0.12, ..., 8.2.x-dev]. - symfony/cache[v8.0.12, ..., 8.0.x-dev] require php >=8.4 -> your php version (8.1.34) does not satisfy that requirement. - symfony/cache[v8.1.0-BETA1, ..., 8.2.x-dev] require php >=8.4.1 -> your php version (8.1.34) does not satisfy that requirement.