Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires symfony/framework-bundle * -> satisfiable by symfony/framework-bundle[7.4.x-dev]. - Root composer.json requires symfony/object-mapper * -> satisfiable by symfony/object-mapper[7.4.x-dev]. - symfony/framework-bundle 7.4.x-dev conflicts with symfony/object-mapper 7.4.x-dev.