Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires infection/infection ^0.26.21 -> satisfiable by infection/infection[0.26.21]. - infection/infection 0.26.21 requires php ^8.1 -> your php version (7.4.33) does not satisfy that requirement. Problem 2 - Root composer.json requires setono/code-quality-pack ^2.8.3 -> satisfiable by setono/code-quality-pack[v2.8.3]. - setono/code-quality-pack v2.8.3 requires vimeo/psalm ^5.23.1 -> satisfiable by vimeo/psalm[5.23.1, ..., 5.26.1]. - vimeo/psalm[5.23.1, ..., 5.26.1] require symfony/filesystem ^5.4 || ^6.0 || ^7.0 -> found symfony/filesystem[v5.4.0, ..., v5.4.45, v6.0.0, ..., v6.4.13, v7.0.0, ..., v7.2.0] but these were not loaded, likely because it conflicts with another require.