Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phiki/phiki ^1.1 -> satisfiable by phiki/phiki[v1.1.0, ..., 1.x-dev]. - phiki/phiki[v1.1.0, ..., 1.x-dev] require php ^8.2 -> your php version (8.1.32) does not satisfy that requirement. Problem 2 - Root composer.json requires symfony/yaml ^7.0 -> satisfiable by symfony/yaml[v7.0.0-BETA1, ..., 7.3.x-dev]. - symfony/yaml[v7.0.3, ..., 7.3.x-dev] require php >=8.2 -> your php version (8.1.32) does not satisfy that requirement.