Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires pestphp/pest-plugin-laravel ^v2.3.0 -> satisfiable by pestphp/pest-plugin-laravel[v2.3.0, 2.x-dev]. - Conclusion: don't install illuminate/contracts v10.48.7 (conflict analysis result) - spatie/laravel-permission[3.0, ..., 3.10.0] require php ^7.2 -> your php version (8.3.4) does not satisfy that requirement. - spatie/laravel-permission[3.10.1, ..., 3.17.0] require php ^7.2.5 -> your php version (8.3.4) does not satisfy that requirement. - spatie/laravel-permission[3.18.0, ..., v3.x-dev] require illuminate/contracts ^5.8|^6.0|^7.0|^8.0 -> found illuminate/contracts[v5.8.0, ..., 5.8.x-dev, v6.0.0, ..., 6.x-dev, v7.0.0, ..., 7.x-dev, v8.0.0, ..., 8.x-dev] but it conflicts with your root composer.json require (^9.0|^10.0|^11.0). - spatie/laravel-permission[4.0.0, ..., v4.x-dev, 5.0.0, ..., 5.3.2] require illuminate/contracts ^6.0|^7.0|^8.0 -> found illuminate/contracts[v6.0.0, ..., 6.x-dev, v7.0.0, ..., 7.x-dev, v8.0.0, ..., 8.x-dev] but it conflicts with your root composer.json require (^9.0|^10.0|^11.0). - spatie/laravel-permission[5.4.0, ..., 5.4.2] require illuminate/contracts ^7.0|^8.0 -> found illuminate/contracts[v7.0.0, ..., 7.x-dev, v8.0.0, ..., 8.x-dev] but it conflicts with your root composer.json require (^9.0|^10.0|^11.0). - spatie/laravel-permission[5.5.0, ..., 5.7.0] require illuminate/contracts ^7.0|^8.0|^9.0 -> satisfiable by illuminate/contracts[v9.0.0-beta.1, ..., 9.x-dev]. - spatie/laravel-permission[5.8.0, ..., v5.x-dev] require illuminate/contracts ^7.0|^8.0|^9.0|^10.0 -> satisfiable by illuminate/contracts[v9.0.0-beta.1, ..., 9.x-dev, v10.0.0, ..., 10.x-dev]. - Conclusion: don't install illuminate/contracts v9.52.16 (conflict analysis result) - Root composer.json requires spatie/laravel-permission ^3.0|^4.0|^5.0 -> satisfiable by spatie/laravel-permission[3.0, ..., v3.x-dev, 4.0.0, ..., v4.x-dev, 5.0.0, ..., v5.x-dev].