Your lock file does not contain a compatible set of packages. Please run composer update. Problem 1 - doctrine/instantiator is locked to version 2.0.x-dev and an update of this package was not requested. - doctrine/instantiator 2.0.x-dev requires php ^8.1 -> your php version (7.3.33) does not satisfy that requirement. Problem 2 - nikic/php-parser is locked to version dev-master and an update of this package was not requested. - nikic/php-parser dev-master requires php >=7.4 -> your php version (7.3.33) does not satisfy that requirement. Problem 3 - symfony/deprecation-contracts is locked to version dev-main and an update of this package was not requested. - symfony/deprecation-contracts dev-main requires php >=8.1 -> your php version (7.3.33) does not satisfy that requirement. Problem 4 - symfony/options-resolver is locked to version 7.1.x-dev and an update of this package was not requested. - symfony/options-resolver 7.1.x-dev requires php >=8.2 -> your php version (7.3.33) does not satisfy that requirement. Problem 5 - doctrine/instantiator 2.0.x-dev requires php ^8.1 -> your php version (7.3.33) does not satisfy that requirement. - phpunit/phpunit 9.6.x-dev requires doctrine/instantiator ^1.3.1 || ^2 -> satisfiable by doctrine/instantiator[2.0.x-dev]. - phpunit/phpunit is locked to version 9.6.x-dev and an update of this package was not requested.