Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires doctrine/dbal ^4.7, found doctrine/dbal[2.1.5, ..., 2.13.9, 3.0.0, ..., 3.9.x-dev, 4.0.0-beta1, ..., 4.1.x-dev, 5.0.x-dev] but it does not match the constraint. Problem 2 - Root composer.json requires doctrine/doctrine-bundle ^2.12 -> satisfiable by doctrine/doctrine-bundle[2.12.0]. - doctrine/doctrine-bundle 2.12.0 requires doctrine/dbal ^3.7.0 || ^4.0 -> found doctrine/dbal[3.7.0, ..., 3.8.4, 4.0.0, 4.0.1, 4.0.2] but it conflicts with your root composer.json require (^4.7). Problem 3 - doctrine/orm[3.1.0, ..., 3.1.3] require doctrine/dbal ^3.8.2 || ^4 -> found doctrine/dbal[3.8.2, 3.8.3, 3.8.4, 4.0.0, 4.0.1, 4.0.2] but it conflicts with your root composer.json require (^4.7). - Root composer.json requires doctrine/orm ^3.1 -> satisfiable by doctrine/orm[3.1.0, 3.1.1, 3.1.2, 3.1.3].