Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires php ^8.2 but your php version (8.1.32) does not satisfy that requirement. Problem 2 - Root composer.json requires backstage/laravel-mails ^2.0 -> satisfiable by backstage/laravel-mails[v2.0.0, v2.0.1]. - backstage/laravel-mails[v2.0.0, ..., v2.0.1] require php ^8.2 -> your php version (8.1.32) does not satisfy that requirement. Problem 3 - Root composer.json requires filament/filament ^4.0 -> satisfiable by filament/filament[v4.0.0-alpha1, ..., 4.x-dev]. - filament/filament[v4.0.0-alpha1, ..., 4.x-dev] require php ^8.2 -> your php version (8.1.32) does not satisfy that requirement.