Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires roave/security-advisories dev-latest -> satisfiable by roave/security-advisories[dev-latest]. - craftcms/generator 2.1.0 requires craftcms/cms ^5.0.0-beta.1 -> satisfiable by craftcms/cms[5.0.0, ..., 5.4.2]. - craftcms/cms[5.4.0, ..., 5.4.2] require twig/twig ~3.12.0 -> satisfiable by twig/twig[v3.12.0]. - craftcms/cms[5.2.3, ..., 5.3.6] require twig/twig ~3.8.0 -> satisfiable by twig/twig[v3.8.0]. - roave/security-advisories dev-latest conflicts with craftcms/cms <4.6.2|>=5,<=5.2.2. - roave/security-advisories dev-latest conflicts with twig/twig v3.12.0. - roave/security-advisories dev-latest conflicts with twig/twig v3.8.0. - Root composer.json requires craftcms/generator ^2.1 -> satisfiable by craftcms/generator[2.1.0].