Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires interaction-design-foundation/coding-standard 1.x-dev -> satisfiable by interaction-design-foundation/coding-standard[1.x-dev]. - interaction-design-foundation/coding-standard 1.x-dev requires php ^8.4 -> your php version (8.3.32) does not satisfy that requirement.