Loading composer repositories with package information
Updating dependencies
Restricting packages listed in "symfony/symfony" to "5.1.*"
Your requirements could not be resolved to an installable set of packages.
Problem 1
- Root composer.json requires sonata-project/translation-bundle dev-master -> satisfiable by sonata-project/translation-bundle[dev-master].
- sonata-project/translation-bundle dev-master requires symfony/config ^4.4 -> found symfony/config[v4.4.0, ..., v4.4.16] but it conflicts with another require.
Sonata packages