Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires symfony/dependency-injection 6.3.* -> satisfiable by symfony/dependency-injection[v6.3.0, v6.3.1]. - symfony/dependency-injection[v6.3.0, ..., v6.3.1] require php >=8.1 -> your php version (7.4.33) does not satisfy that requirement. Problem 2 - Root composer.json requires symfony/http-kernel 6.3.* -> satisfiable by symfony/http-kernel[v6.3.0, v6.3.1]. - symfony/http-kernel[v6.3.0, ..., v6.3.1] require php >=8.1 -> your php version (7.4.33) does not satisfy that requirement. Problem 3 - Root composer.json requires symfony/proxy-manager-bridge 6.3.* -> satisfiable by symfony/proxy-manager-bridge[v6.3.0]. - symfony/proxy-manager-bridge v6.3.0 requires php >=8.1 -> your php version (7.4.33) does not satisfy that requirement. Problem 4 - Root composer.json requires symfony/browser-kit 6.3.* -> satisfiable by symfony/browser-kit[v6.3.0]. - symfony/browser-kit v6.3.0 requires php >=8.1 -> your php version (7.4.33) does not satisfy that requirement. Problem 5 - Root composer.json requires symfony/process 6.3.* -> satisfiable by symfony/process[v6.3.0]. - symfony/process v6.3.0 requires php >=8.1 -> your php version (7.4.33) does not satisfy that requirement. Problem 6 - Root composer.json requires symfony/yaml 6.3.* -> satisfiable by symfony/yaml[v6.3.0]. - symfony/yaml v6.3.0 requires php >=8.1 -> your php version (7.4.33) does not satisfy that requirement. Problem 7 - behat/behat[v3.6.1, ..., v3.7.0] require symfony/dependency-injection ^2.7.51 || ^3.0 || ^4.0 || ^5.0 -> found symfony/dependency-injection[v2.7.51, ..., v2.8.52, v3.0.0, ..., v3.4.47, v4.0.0, ..., v4.4.49, v5.0.0, ..., v5.4.25] but it conflicts with your root composer.json require (6.3.*). - behat/behat[v3.8.0, ..., v3.8.1] require symfony/dependency-injection ^4.4 || ^5.0 -> found symfony/dependency-injection[v4.4.0, ..., v4.4.49, v5.0.0, ..., v5.4.25] but it conflicts with your root composer.json require (6.3.*). - symfony/dependency-injection[v6.3.0, ..., v6.3.1] require php >=8.1 -> your php version (7.4.33) does not satisfy that requirement. - friends-of-behat/service-container-extension v1.1.0 requires behat/behat ^3.4 -> satisfiable by behat/behat[v3.6.1, ..., v3.13.0]. - behat/behat[v3.9.0, ..., v3.13.0] require symfony/dependency-injection ^4.4 || ^5.0 || ^6.0 -> satisfiable by symfony/dependency-injection[v6.3.0, v6.3.1]. - Root composer.json requires friends-of-behat/service-container-extension ^1.1 -> satisfiable by friends-of-behat/service-container-extension[v1.1.0].