Your lock file does not contain a compatible set of packages. Please run composer update. Problem 1 - getkirby/cms is locked to version 3.9.7 and an update of this package was not requested. - getkirby/cms 3.9.7 requires php >=8.0.0 <8.3.0 -> your php version (8.3.0) does not satisfy that requirement. Problem 2 - laminas/laminas-escaper is locked to version 2.12.0 and an update of this package was not requested. - laminas/laminas-escaper 2.12.0 requires php ^7.4 || ~8.0.0 || ~8.1.0 || ~8.2.0 -> your php version (8.3.0) does not satisfy that requirement. Problem 3 - getkirby/cms 3.9.7 requires php >=8.0.0 <8.3.0 -> your php version (8.3.0) does not satisfy that requirement. - symfony/polyfill-intl-idn v1.28.0 requires symfony/polyfill-php72 ^1.10 -> satisfiable by getkirby/cms[3.9.7]. - symfony/polyfill-intl-idn is locked to version v1.28.0 and an update of this package was not requested.