Your lock file does not contain a compatible set of packages. Please run composer update. Problem 1 - psr/log is locked to version 2.0.0 and an update of this package was not requested. - psr/log 2.0.0 requires php >=8.0.0 -> your php version (7.4.15) does not satisfy that requirement. Problem 2 - symfony/deprecation-contracts is locked to version v3.3.0 and an update of this package was not requested. - symfony/deprecation-contracts v3.3.0 requires php >=8.1 -> your php version (7.4.15) does not satisfy that requirement. Problem 3 - symfony/error-handler is locked to version v6.3.5 and an update of this package was not requested. - symfony/error-handler v6.3.5 requires php >=8.1 -> your php version (7.4.15) does not satisfy that requirement. Problem 4 - symfony/event-dispatcher-contracts is locked to version v3.3.0 and an update of this package was not requested. - symfony/event-dispatcher-contracts v3.3.0 requires php >=8.1 -> your php version (7.4.15) does not satisfy that requirement. Problem 5 - symfony/http-foundation is locked to version v6.3.5 and an update of this package was not requested. - symfony/http-foundation v6.3.5 requires php >=8.1 -> your php version (7.4.15) does not satisfy that requirement. Problem 6 - symfony/string is locked to version v6.3.5 and an update of this package was not requested. - symfony/string v6.3.5 requires php >=8.1 -> your php version (7.4.15) does not satisfy that requirement. Problem 7 - symfony/var-dumper is locked to version v6.3.5 and an update of this package was not requested. - symfony/var-dumper v6.3.5 requires php >=8.1 -> your php version (7.4.15) does not satisfy that requirement. Problem 8 - psr/log 2.0.0 requires php >=8.0.0 -> your php version (7.4.15) does not satisfy that requirement. - symfony/http-kernel v5.4.29 requires psr/log ^1|^2 -> satisfiable by psr/log[2.0.0]. - symfony/http-kernel is locked to version v5.4.29 and an update of this package was not requested.