Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires symfony/config ^7.1.1 -> satisfiable by symfony/config[v7.1.1]. - symfony/config v7.1.1 requires php >=8.2 -> your php version (8.0.99; overridden via config.platform, actual: 8.3.9) does not satisfy that requirement. Problem 2 - symfony/config v7.1.1 requires php >=8.2 -> your php version (8.0.99; overridden via config.platform, actual: 8.3.9) does not satisfy that requirement. - behat/behat v3.14.0 requires symfony/config ^4.4 || ^5.0 || ^6.0 || ^7.0 -> satisfiable by symfony/config[v7.1.1]. - Root composer.json requires behat/behat ^3.14.0 -> satisfiable by behat/behat[v3.14.0]. Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.