Your lock file does not contain a compatible set of packages. Please run composer update. Problem 1 - nette/schema is locked to version v1.2.2 and an update of this package was not requested. - nette/schema v1.2.2 requires php >=7.1 <8.2 -> your php version (8.3.6) does not satisfy that requirement. Problem 2 - nette/utils is locked to version v3.2.6 and an update of this package was not requested. - nette/utils v3.2.6 requires php >=7.2 <8.2 -> your php version (8.3.6) does not satisfy that requirement. Problem 3 - phpspec/prophecy is locked to version v1.15.0 and an update of this package was not requested. - phpspec/prophecy v1.15.0 requires php ^7.2 || ~8.0, <8.2 -> your php version (8.3.6) does not satisfy that requirement. Problem 4 - league/config is locked to version v1.1.1 and an update of this package was not requested. - league/config v1.1.1 requires nette/schema ^1.2 -> satisfiable by nette/schema[v1.2.2]. - nette/schema v1.2.2 requires php >=7.1 <8.2 -> your php version (8.3.6) does not satisfy that requirement.