Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires orchestra/testbench 9.* -> satisfiable by orchestra/testbench[v9.0.0]. - orchestra/testbench-core[v9.0.1, ..., v9.0.3] conflict with laravel/framework <11.0.3 || >=12.0.0. - orchestra/testbench v9.0.0 requires orchestra/testbench-core ^9.0.1 -> satisfiable by orchestra/testbench-core[v9.0.1, v9.0.2, v9.0.3]. - orchestra/testbench v9.0.0 requires orchestra/workbench ^9.0 -> satisfiable by orchestra/workbench[v9.0.0]. - Conclusion: don't install illuminate/http v10.48.3 (conflict analysis result) - orchestra/workbench v9.0.0 requires laravel/framework ^11.0 -> satisfiable by laravel/framework[v11.0.0, ..., v11.0.6]. - Only one of these can be installed: laravel/framework[v11.0.0, ..., v11.0.6], illuminate/http[v10.0.0, ..., v10.48.3]. laravel/framework replaces illuminate/http and thus cannot coexist with it. - Root composer.json requires illuminate/http ^10.0 -> satisfiable by illuminate/http[v10.0.0, ..., v10.48.3].