Your requirements could not be resolved to an installable set of packages. Problem 1 - jackalope/jackalope[2.0.0-beta2, ..., 2.x-dev] require phpcr/phpcr-utils ^1.8.0 -> satisfiable by phpcr/phpcr-utils[1.8.0, 1.8.1, 1.x-dev]. - phpcr/phpcr-utils[1.8.0, ..., 1.x-dev] require symfony/console ^2.3 || ^3.0 || ^4.0 || ^5.0 || ^6.0 -> found symfony/console[v2.3.0, ..., 2.8.x-dev, v3.0.0-BETA1, ..., 3.4.x-dev, v4.0.0-BETA1, ..., 4.4.x-dev, v5.0.0-BETA1, ..., 5.4.x-dev, v6.0.0-BETA1, ..., 6.4.x-dev] but these were not loaded, likely because it conflicts with another require. - Root composer.json requires phpcr/phpcr-implementation ^2.1 -> satisfiable by jackalope/jackalope[2.0.0-beta2, 2.x-dev].