Your requirements could not be resolved to an installable set of packages. Problem 1 - Conclusion: don't install laravel/framework v9.52.15 (conflict analysis result) - Conclusion: don't install laravel/framework v9.52.16 (conflict analysis result) - Conclusion: don't install illuminate/contracts v9.52.16 (conflict analysis result) - orchestra/testbench[v7.31.0, ..., 7.x-dev] require phpunit/phpunit ^9.5.10 -> found phpunit/phpunit[9.5.10, ..., 9.6.x-dev] but it conflicts with your root composer.json require (^10.0). - orchestra/testbench 9.x-dev requires orchestra/testbench-core 9.x-dev -> satisfiable by orchestra/testbench-core[9.x-dev]. - orchestra/testbench[v8.13.0, ..., v8.15.0] require laravel/framework ^10.23.1 -> satisfiable by laravel/framework[v10.23.1, ..., 10.x-dev]. - orchestra/testbench[v8.12.2, ..., v8.12.3] require laravel/framework >=10.23.1 <10.27.0 -> satisfiable by laravel/framework[v10.23.1, ..., v10.26.2]. - orchestra/testbench v8.12.1 requires laravel/framework >=10.23.1 <10.26.0 -> satisfiable by laravel/framework[v10.23.1, ..., v10.25.2]. - orchestra/testbench[v8.11.1, ..., v8.12.0] require laravel/framework >=10.23.1 <10.25.0 -> satisfiable by laravel/framework[v10.23.1, v10.24.0]. - orchestra/testbench v8.11.0 requires laravel/framework >=10.23.1 <10.24.0 -> satisfiable by laravel/framework[v10.23.1]. - orchestra/testbench 8.x-dev requires laravel/framework 10.x-dev -> satisfiable by laravel/framework[10.x-dev]. - orchestra/testbench-core 9.x-dev conflicts with laravel/framework <11.0.0 || >=12.0.0. - Only one of these can be installed: illuminate/view[dev-master, v9.0.0-beta.1, ..., 9.x-dev, v10.0.0, ..., 10.x-dev], laravel/framework[dev-master, v9.52.15, v9.52.16, 9.x-dev, v10.23.1, ..., 10.x-dev]. laravel/framework replaces illuminate/view and thus cannot coexist with it. - Root composer.json requires illuminate/contracts ^9 -> satisfiable by illuminate/contracts[v9.0.0-beta.1, ..., 9.x-dev], laravel/framework[v9.52.15, v9.52.16, 9.x-dev]. - Root composer.json requires orchestra/testbench ^7.31|^8.11|^9.0 -> satisfiable by orchestra/testbench[v7.31.0, ..., 7.x-dev, v8.11.0, ..., 8.x-dev, 9.x-dev].