Your lock file does not contain a compatible set of packages. Please run composer update. Problem 1 - Root composer.json requires php 8.2.* but your php version (8.3.1) does not satisfy that requirement. Problem 2 - nette/schema is locked to version v1.2.3 and an update of this package was not requested. - nette/schema v1.2.3 requires php >=7.1 <8.3 -> your php version (8.3.1) does not satisfy that requirement. Problem 3 - nette/schema v1.2.3 requires php >=7.1 <8.3 -> your php version (8.3.1) does not satisfy that requirement. - league/config v1.2.0 requires nette/schema ^1.2 -> satisfiable by nette/schema[v1.2.3]. - league/config is locked to version v1.2.0 and an update of this package was not requested.