Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires symfony/config ^7.2.0 -> satisfiable by symfony/config[v7.2.0]. - symfony/config v7.2.0 requires php >=8.2 -> your php version (8.1.30) does not satisfy that requirement. Problem 2 - behat/behat[v3.16.0, ..., v3.17.0] require symfony/config ^5.4 || ^6.4 || ^7.0 -> satisfiable by symfony/config[v7.2.0]. - behat/behat[v3.14.0, ..., v3.15.0] require symfony/config ^4.4 || ^5.0 || ^6.0 || ^7.0 -> satisfiable by symfony/config[v7.2.0]. - symfony/config v7.2.0 requires php >=8.2 -> your php version (8.1.30) does not satisfy that requirement. - Root composer.json requires behat/behat ^3.14.0 -> satisfiable by behat/behat[v3.14.0, v3.15.0, v3.16.0, v3.17.0]. Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.