Your requirements could not be resolved to an installable set of packages. Problem 1 - doctrine/common is locked to version 3.0.3 and an update of this package was not requested. - Root composer.json requires phpunit/phpunit ^9.5.0 || ^10.0 || ^11.4 -> satisfiable by phpunit/phpunit[11.4.0, ..., 11.5.x-dev]. - myclabs/deep-copy[1.12.0, ..., 1.x-dev] conflict with doctrine/common <2.13.3 || >=3 <3.2.2. - phpunit/phpunit[11.4.0, ..., 11.4.3] require myclabs/deep-copy ^1.12.0 -> satisfiable by myclabs/deep-copy[1.12.0, 1.12.1, 1.x-dev]. - phpunit/phpunit[11.4.4, ..., 11.5.x-dev] require myclabs/deep-copy ^1.12.1 -> satisfiable by myclabs/deep-copy[1.12.1, 1.x-dev].