Your lock file does not contain a compatible set of packages. Please run composer update. Problem 1 - symfony/error-handler is locked to version 7.0.x-dev and an update of this package was not requested. - symfony/error-handler 7.0.x-dev requires php >=8.2 -> your php version (8.1.2) does not satisfy that requirement. Problem 2 - symfony/event-dispatcher is locked to version 7.0.x-dev and an update of this package was not requested. - symfony/event-dispatcher 7.0.x-dev requires php >=8.2 -> your php version (8.1.2) does not satisfy that requirement. Problem 3 - symfony/var-dumper is locked to version 7.0.x-dev and an update of this package was not requested. - symfony/var-dumper 7.0.x-dev requires php >=8.2 -> your php version (8.1.2) does not satisfy that requirement. Problem 4 - symfony/error-handler 7.0.x-dev requires php >=8.2 -> your php version (8.1.2) does not satisfy that requirement. - symfony/http-kernel 6.4.x-dev requires symfony/error-handler ^6.4|^7.0 -> satisfiable by symfony/error-handler[7.0.x-dev]. - symfony/http-kernel is locked to version 6.4.x-dev and an update of this package was not requested.