Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires illuminate/collections ^11 -> satisfiable by illuminate/collections[v11.0.0, ..., v11.0.8]. - illuminate/collections[v11.0.0, ..., v11.0.8] require php ^8.2 -> your php version (8.1.2) does not satisfy that requirement. Problem 2 - typo3/cms-core[v13.0.0, ..., v13.0.1] require php ^8.2 -> your php version (8.1.2) does not satisfy that requirement. - Root composer.json requires typo3/cms-core ^13 -> satisfiable by typo3/cms-core[v13.0.0, v13.0.1].