Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires neos/neos-development-collection dev-build as 9.0.x-dev -> satisfiable by neos/neos-development-collection[dev-build]. - Conclusion: don't install doctrine/dbal 3.3.8 (conflict analysis result) - Conclusion: don't install doctrine/dbal 3.4.6 (conflict analysis result) - Conclusion: don't install doctrine/dbal 2.13.9 (conflict analysis result) - Conclusion: don't install doctrine/dbal 3.5.4 (conflict analysis result) - Conclusion: don't install doctrine/dbal 3.8.6 (conflict analysis result) - neos/neos-development-collection 9.0.x-dev is an alias of neos/neos-development-collection dev-build and must be installed with it. - Root composer.json requires neos/flow-development-collection 9.0.x-dev -> satisfiable by neos/flow-development-collection[9.0.x-dev]. - neos/flow-development-collection 9.0.x-dev requires doctrine/dbal ^2.13 -> satisfiable by doctrine/dbal[2.13.0, ..., 2.13.9]. - You can only install one version of a package, so only one of these can be installed: doctrine/dbal[2.1.5, ..., 2.13.9, 3.0.0, ..., 3.9.x-dev, 4.0.0-beta1, ..., 4.1.x-dev]. - neos/neos-development-collection 9.0.x-dev requires doctrine/dbal ^3.2 -> satisfiable by doctrine/dbal[3.2.0, ..., 3.9.x-dev]. - Conclusion: don't install doctrine/dbal 3.3.5 (conflict analysis result)

Process completed with exit code 2.

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