Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires ghostwriter/config ^0.4.1 -> satisfiable by ghostwriter/config[0.4.1]. - ghostwriter/config 0.4.1 requires php >=8.1 <8.4 -> your php version (8.4.999; overridden via config.platform, actual: 8.4.3) does not satisfy that requirement. Problem 2 - Root composer.json requires ghostwriter/option ^1.5.1 -> satisfiable by ghostwriter/option[1.5.1]. - ghostwriter/option 1.5.1 requires php >=8.1,<8.4 -> your php version (8.4.999; overridden via config.platform, actual: 8.4.3) does not satisfy that requirement. Problem 3 - Root composer.json requires ghostwriter/result ^1.3.0 -> satisfiable by ghostwriter/result[1.3.0]. - ghostwriter/result 1.3.0 requires php >=8.1,<8.4 -> your php version (8.4.999; overridden via config.platform, actual: 8.4.3) does not satisfy that requirement.