Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires symfony/browser-kit ^7.0 -> satisfiable by symfony/browser-kit[v7.0.0]. - symfony/browser-kit v7.0.0 requires symfony/dom-crawler ^6.4|^7.0 -> found symfony/dom-crawler[v6.4.0, v7.0.0] but these were not loaded, likely because it conflicts with another require. Problem 2 - Root composer.json requires symfony/config ^7.0 -> satisfiable by symfony/config[v7.0.0]. - symfony/config v7.0.0 requires symfony/filesystem ^6.4|^7.0 -> found symfony/filesystem[v6.4.0, v7.0.0] but these were not loaded, likely because it conflicts with another require. Problem 3 - Root composer.json requires symfony/expression-language ^7.0 -> satisfiable by symfony/expression-language[v7.0.0]. - symfony/expression-language v7.0.0 requires symfony/cache ^6.4|^7.0 -> found symfony/cache[v6.4.0, v7.0.0] but these were not loaded, likely because it conflicts with another require. Problem 4 - Root composer.json requires symfony/framework-bundle ^7.0 -> satisfiable by symfony/framework-bundle[v7.0.0]. - symfony/framework-bundle v7.0.0 requires symfony/cache ^6.4|^7.0 -> found symfony/cache[v6.4.0, v7.0.0] but these were not loaded, likely because it conflicts with another require. Problem 5 - Root composer.json requires symfony/http-kernel ^7.0 -> satisfiable by symfony/http-kernel[v7.0.0]. - symfony/http-kernel v7.0.0 requires symfony/error-handler ^6.4|^7.0 -> found symfony/error-handler[v6.4.0, v7.0.0] but these were not loaded, likely because it conflicts with another require. Problem 6 - Root composer.json requires symfony/twig-bundle ^7.0 -> satisfiable by symfony/twig-bundle[v7.0.0]. - symfony/twig-bundle v7.0.0 requires symfony/http-foundation ^6.4|^7.0 -> found symfony/http-foundation[v6.4.0, v7.0.0] but these were not loaded, likely because it conflicts with another require.