Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires laravel/framework 11.* -> satisfiable by laravel/framework[11.x-dev (alias of dev-master)]. - orchestra/testbench-core 9.x-dev conflicts with nunomaduro/collision <8.0.0 || >=9.0.0. - orchestra/testbench 9.x-dev requires orchestra/testbench-core ^9.0 -> satisfiable by orchestra/testbench-core[9.x-dev]. - nunomaduro/collision[v7.10.0, ..., v7.x-dev] conflict with laravel/framework 11.x-dev. - Root composer.json requires orchestra/testbench ^9.0 -> satisfiable by orchestra/testbench[9.x-dev]. - Root composer.json requires nunomaduro/collision ^7.8 -> satisfiable by nunomaduro/collision[v7.8.0, ..., v7.x-dev].