Your requirements could not be resolved to an installable set of packages. Problem 1 - phpunit/phpunit[11.4.2, ..., 11.5.x-dev] require phpunit/php-code-coverage ^11.0.7 -> satisfiable by phpunit/php-code-coverage[11.0.7, 11.0.x-dev]. - phpunit/php-code-coverage[11.0.7, ..., 11.0.x-dev] require nikic/php-parser ^5.3.1 -> found nikic/php-parser[v5.3.1] but it conflicts with your root composer.json require (^4.17.1). - Root composer.json requires phpunit/phpunit ^11.4.2 -> satisfiable by phpunit/phpunit[11.4.2, 11.4.x-dev, 11.5.x-dev]. Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.