Your lock file does not contain a compatible set of packages. Please run composer update. Problem 1 - phpgt/promise is locked to version v2.3.0 and an update of this package was not requested. - phpgt/promise v2.3.0 requires php >=8.3 -> your php version (8.2.28) does not satisfy that requirement. Problem 2 - phpgt/http is locked to version 1.3.1 and an update of this package was not requested. - phpgt/http 1.3.1 requires phpgt/promise ^2.2 -> satisfiable by phpgt/promise[v2.3.0]. - phpgt/promise v2.3.0 requires php >=8.3 -> your php version (8.2.28) does not satisfy that requirement.