Your lock file does not contain a compatible set of packages. Please run composer update. Problem 1 - doctrine/instantiator is locked to version 2.0.0 and an update of this package was not requested. - doctrine/instantiator 2.0.0 requires php ^8.1 -> your php version (7.3.33) does not satisfy that requirement. Problem 2 - nikic/php-parser is locked to version v5.0.0 and an update of this package was not requested. - nikic/php-parser v5.0.0 requires php >=7.4 -> your php version (7.3.33) does not satisfy that requirement. Problem 3 - doctrine/instantiator 2.0.0 requires php ^8.1 -> your php version (7.3.33) does not satisfy that requirement. - phpunit/phpunit 9.6.16 requires doctrine/instantiator ^1.3.1 || ^2 -> satisfiable by doctrine/instantiator[2.0.0]. - phpunit/phpunit is locked to version 9.6.16 and an update of this package was not requested.