Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires php ^8.2.0 but your php version (8.1.26) does not satisfy that requirement. Problem 2 - Root composer.json requires craftcms/cms ^5.0.0-alpha -> satisfiable by craftcms/cms[5.0.0-alpha.1, 5.0.0-alpha.2]. - craftcms/cms[5.0.0-alpha.1, ..., 5.0.0-alpha.2] require php ^8.2 -> your php version (8.1.26) does not satisfy that requirement.