Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires orchestra/testbench ^9.0 -> satisfiable by orchestra/testbench[v9.0.0, 9.x-dev]. - orchestra/testbench[v9.0.0, ..., 9.x-dev] require laravel/framework ^11.0 -> found laravel/framework[v11.0.0, ..., 11.x-dev] but it conflicts with your root composer.json require (10.*). Problem 2 - Root composer.json requires illuminate/contracts ^11.0 -> satisfiable by illuminate/contracts[v11.0.0, ..., 11.x-dev]. - pestphp/pest-plugin-laravel[v2.3.0, ..., 2.x-dev] require laravel/framework ^10.44.0|^11.0 -> satisfiable by laravel/framework[v10.44.0, ..., 10.x-dev]. - Only one of these can be installed: laravel/framework[v10.0.0, ..., 10.x-dev], illuminate/contracts[v11.0.0, ..., 11.x-dev]. laravel/framework replaces illuminate/contracts and thus cannot coexist with it. - Root composer.json requires pestphp/pest-plugin-laravel ^2.3 -> satisfiable by pestphp/pest-plugin-laravel[v2.3.0, 2.x-dev].