Your requirements could not be resolved to an installable set of packages. Problem 1 - doctrine/orm[2.14.0, ..., 2.18.0] require doctrine/dbal ^2.13.1 || ^3.2 -> found doctrine/dbal[2.13.1, ..., 2.13.9, 3.2.0, ..., 3.8.1] but it conflicts with your root composer.json require (^4.0). - Root composer.json requires doctrine/orm ^2.14 -> satisfiable by doctrine/orm[2.14.0, ..., 2.18.0].

Process completed with exit code 2.