Your requirements could not be resolved to an installable set of packages. Problem 1 - symfony/translation is locked to version v8.0.8 and an update of this package was not requested. - symfony/translation v8.0.8 requires php >=8.4 -> your php version (8.3.30) does not satisfy that requirement. Problem 2 - move-elevator/composer-translation-validator is locked to version 1.3.1 and an update of this package was not requested. - move-elevator/composer-translation-validator 1.3.1 requires symfony/translation ^5.0 || ^6.0 || ^7.0 || ^8.0 -> satisfiable by symfony/translation[v8.0.8]. - symfony/translation v8.0.8 requires php >=8.4 -> your php version (8.3.30) does not satisfy that requirement.