Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires orchestra/testbench ^6.15|^7.0|^8.0|^9.0 -> satisfiable by orchestra/testbench[v6.15.0, ..., 6.x-dev, v7.0.0, ..., 7.x-dev, v8.0.0, ..., 8.x-dev, 9.x-dev]. - illuminate/contracts[v8.0.0, ..., v8.11.2] require php ^7.3 -> your php version (8.1.27) does not satisfy that requirement. - Only one of these can be installed: laravel/framework[dev-master, v7.20.0, ..., 7.x-dev, v8.19.0, ..., 8.x-dev, v9.0.0-beta.1, ..., 9.x-dev, v10.0.0, ..., 10.x-dev], illuminate/contracts[v8.0.0, ..., 8.x-dev]. laravel/framework replaces illuminate/contracts and thus cannot coexist with it. - 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, v7.20.0, ..., 7.x-dev, v8.19.0, ..., 8.x-dev, v9.0.0-beta.1, ..., 9.x-dev, v10.0.0, ..., 10.x-dev]. laravel/framework replaces illuminate/view and thus cannot coexist with it. - Conclusion: install laravel/framework 10.x-dev (conflict analysis result) - Root composer.json requires illuminate/contracts 8.* -> satisfiable by illuminate/contracts[v8.0.0, ..., 8.x-dev], laravel/framework[v8.19.0, ..., 8.x-dev].

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