Your lock file does not contain a compatible set of packages. Please run composer update. Problem 1 - nette/schema is locked to version v1.2.5 and an update of this package was not requested. - nette/schema v1.2.5 requires php 7.1 - 8.3 -> your php version (8.4.0-dev) does not satisfy that requirement. Problem 2 - nette/utils is locked to version v4.0.4 and an update of this package was not requested. - nette/utils v4.0.4 requires php >=8.0 <8.4 -> your php version (8.4.0-dev) does not satisfy that requirement. Problem 3 - nette/schema v1.2.5 requires php 7.1 - 8.3 -> your php version (8.4.0-dev) does not satisfy that requirement. - league/config v1.2.0 requires nette/schema ^1.2 -> satisfiable by nette/schema[v1.2.5]. - league/config is locked to version v1.2.0 and an update of this package was not requested.