Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires kubawerlos/php-cs-fixer-custom-fixers 3.22.0 -> satisfiable by kubawerlos/php-cs-fixer-custom-fixers[v3.22.0]. - kubawerlos/php-cs-fixer-custom-fixers v3.22.0 requires friendsofphp/php-cs-fixer ^3.61.1 -> found friendsofphp/php-cs-fixer[v3.61.1, ..., v3.64.0] but it conflicts with your root composer.json require (3.56.1).