Your requirements could not be resolved to an installable set of packages. Problem 1 - phpcr/phpcr-utils[1.8.0, ..., 1.8.1] require symfony/console ^2.3 || ^3.0 || ^4.0 || ^5.0 || ^6.0 -> found symfony/console[v2.3.0, ..., v2.8.52, v3.0.0-BETA1, ..., v3.4.47, v4.0.0-BETA1, ..., v4.4.49, v5.0.0-BETA1, ..., v5.4.34, v6.0.0-BETA1, ..., v6.4.2] but these were not loaded, likely because it conflicts with another require. - jackalope/jackalope-jackrabbit 2.0.0-beta1 requires phpcr/phpcr-utils ^1.8.0 -> satisfiable by phpcr/phpcr-utils[1.8.0, 1.8.1]. - Root composer.json requires jackalope/jackalope-jackrabbit 2.* -> satisfiable by jackalope/jackalope-jackrabbit[2.0.0-beta1].