Your lock file does not contain a compatible set of packages. Please run composer update. Problem 1 - symfony/polyfill-mbstring is locked to version v1.31.0 and an update of this package was not requested. - symfony/polyfill-mbstring v1.31.0 requires php >=7.2 -> your php version (7.1.33) does not satisfy that requirement. Problem 2 - symfony/polyfill-php80 is locked to version v1.31.0 and an update of this package was not requested. - symfony/polyfill-php80 v1.31.0 requires php >=7.2 -> your php version (7.1.33) does not satisfy that requirement. Problem 3 - symfony/browser-kit is locked to version v7.1.6 and an update of this package was not requested. - symfony/browser-kit v7.1.6 requires php >=8.2 -> your php version (7.1.33) does not satisfy that requirement. Problem 4 - symfony/dom-crawler is locked to version v7.1.6 and an update of this package was not requested. - symfony/dom-crawler v7.1.6 requires php >=8.2 -> your php version (7.1.33) does not satisfy that requirement. Problem 5 - symfony/polyfill-mbstring v1.31.0 requires php >=7.2 -> your php version (7.1.33) does not satisfy that requirement. - twig/twig v2.16.1 requires symfony/polyfill-mbstring ^1.3 -> satisfiable by symfony/polyfill-mbstring[v1.31.0]. - twig/twig is locked to version v2.16.1 and an update of this package was not requested.