Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires yieldstudio/tailwind-merge-php ^0.0.3 -> satisfiable by yieldstudio/tailwind-merge-php[0.0.3]. - yieldstudio/tailwind-merge-php 0.0.3 requires php >=8.1 -> your php version (8.0.30) does not satisfy that requirement. Problem 2 - Root composer.json requires laravel/framework 11.* -> satisfiable by laravel/framework[v11.0.0]. - laravel/framework v11.0.0 requires php ^8.2 -> your php version (8.0.30) does not satisfy that requirement. Problem 3 - Root composer.json requires orchestra/testbench 9.x-dev -> satisfiable by orchestra/testbench[9.x-dev]. - orchestra/testbench 9.x-dev requires php ^8.2 -> your php version (8.0.30) does not satisfy that requirement.