Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires api-clients/openapi-client-generator dev-c7333e5840fbe7ed72a2d7d5672f12db228ea398 -> satisfiable by api-clients/openapi-client-generator[dev-c7333e5840fbe7ed72a2d7d5672f12db228ea398]. - api-clients/openapi-client-generator dev-c7333e5840fbe7ed72a2d7d5672f12db228ea398 requires wyrihaximus/async-test-utilities ^10.0.0 -> satisfiable by wyrihaximus/async-test-utilities[10.0.0]. - wyrihaximus/async-test-utilities 10.0.0 requires php ^8.4 -> your php version (8.2.29) does not satisfy that requirement.