Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires pimcore/admin-ui-classic-bundle ^v1.3 -> satisfiable by pimcore/admin-ui-classic-bundle[v1.3.0-RC1, ..., 1.x-dev]. - pimcore/admin-ui-classic-bundle[v1.3.0-RC1, ..., v1.3.0] require pimcore/pimcore ^11.1 -> found pimcore/pimcore[v11.1.0-RC1, ..., 11.x-dev] but it conflicts with your root composer.json require (^12.x-dev). - pimcore/admin-ui-classic-bundle v1.3.1 requires pimcore/pimcore ^11.1.3 -> found pimcore/pimcore[v11.1.3, ..., 11.x-dev] but it conflicts with your root composer.json require (^12.x-dev). - pimcore/admin-ui-classic-bundle[v1.3.2, ..., v1.3.5] require pimcore/pimcore ^11.1.4 -> found pimcore/pimcore[v11.1.4, ..., 11.x-dev] but it conflicts with your root composer.json require (^12.x-dev). - pimcore/admin-ui-classic-bundle[1.4.0, ..., v1.4.4] require pimcore/pimcore ^11.2.0 -> found pimcore/pimcore[v11.2.0, ..., 11.x-dev] but it conflicts with your root composer.json require (^12.x-dev). - pimcore/admin-ui-classic-bundle v1.4.5 requires pimcore/pimcore ~11.2.0 -> found pimcore/pimcore[v11.2.0, ..., v11.2.7] but it conflicts with your root composer.json require (^12.x-dev). - pimcore/admin-ui-classic-bundle[v1.5.0-RC1, ..., 1.x-dev] require php ~8.1.0 || ~8.2.0 || ~8.3.0 -> your php version (8.4.2) does not satisfy that requirement.