Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires symfony/console ^7.0 -> satisfiable by symfony/console[v7.0.0, ..., v7.0.6]. - symfony/console[v7.0.0, ..., v7.0.6] require php >=8.2 -> your php version (8.1.27) does not satisfy that requirement. Problem 2 - symfony/console[v7.0.0, ..., v7.0.6] require php >=8.2 -> your php version (8.1.27) does not satisfy that requirement. - boesing/psalm-plugin-stringf 1.4.0 requires vimeo/psalm ^4.30 || ^5.0 -> satisfiable by vimeo/psalm[5.22.0, ..., 5.23.1]. - vimeo/psalm[5.22.0, ..., 5.23.1] require symfony/console ^4.1.6 || ^5.0 || ^6.0 || ^7.0 -> satisfiable by symfony/console[v7.0.0, ..., v7.0.6]. - Root composer.json requires boesing/psalm-plugin-stringf ^1.4 -> satisfiable by boesing/psalm-plugin-stringf[1.4.0]. Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.