Your lock file does not contain a compatible set of packages. Please run composer update. Problem 1 - symfony/deprecation-contracts is locked to version v3.5.1 and an update of this package was not requested. - symfony/deprecation-contracts v3.5.1 requires php >=8.1 -> your php version (8.0.30) does not satisfy that requirement. Problem 2 - symfony/dependency-injection is locked to version v5.4.29 and an update of this package was not requested. - symfony/dependency-injection v5.4.29 requires symfony/deprecation-contracts ^2.1|^3 -> satisfiable by symfony/deprecation-contracts[v3.5.1]. - symfony/deprecation-contracts v3.5.1 requires php >=8.1 -> your php version (8.0.30) does not satisfy that requirement.