Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires nesbot/carbon ^3.0 -> satisfiable by nesbot/carbon[3.0.0-beta.1, ..., 3.x-dev]. - nesbot/carbon[3.0.0-beta.1, ..., 3.x-dev] require php ^8.1 -> your php version (7.3.33) does not satisfy that requirement. Problem 2 - doctrine/dbal[4.0.0-beta1, ..., 4.2.x-dev] require php ^8.1 -> your php version (7.3.33) does not satisfy that requirement. - Root composer.json requires doctrine/dbal ^4.0.0 -> satisfiable by doctrine/dbal[4.0.0-beta1, ..., 4.2.x-dev].