Your lock file does not contain a compatible set of packages. Please run composer update. Problem 1 - symfony/yaml is locked to version v8.0.1 and an update of this package was not requested. - symfony/yaml v8.0.1 requires php >=8.4 -> your php version (7.4.33) does not satisfy that requirement. Problem 2 - drupal/coder is locked to version 8.3.31 and an update of this package was not requested. - drupal/coder 8.3.31 requires symfony/yaml >=3.4.0 -> satisfiable by symfony/yaml[v8.0.1]. - symfony/yaml v8.0.1 requires php >=8.4 -> your php version (7.4.33) does not satisfy that requirement.