Your lock file does not contain a compatible set of packages. Please run composer update. Problem 1 - sebastian/diff is locked to version 8.1.0 and an update of this package was not requested. - sebastian/diff 8.1.0 requires php >=8.4 -> your php version (8.3.6) does not satisfy that requirement. Problem 2 - symfony/event-dispatcher is locked to version v8.0.9 and an update of this package was not requested. - symfony/event-dispatcher v8.0.9 requires php >=8.4 -> your php version (8.3.6) does not satisfy that requirement. Problem 3 - symfony/filesystem is locked to version v8.0.9 and an update of this package was not requested. - symfony/filesystem v8.0.9 requires php >=8.4 -> your php version (8.3.6) does not satisfy that requirement. Problem 4 - symfony/finder is locked to version v8.0.8 and an update of this package was not requested. - symfony/finder v8.0.8 requires php >=8.4 -> your php version (8.3.6) does not satisfy that requirement. Problem 5 - symfony/options-resolver is locked to version v8.0.8 and an update of this package was not requested. - symfony/options-resolver v8.0.8 requires php >=8.4 -> your php version (8.3.6) does not satisfy that requirement. Problem 6 - symfony/process is locked to version v8.0.8 and an update of this package was not requested. - symfony/process v8.0.8 requires php >=8.4 -> your php version (8.3.6) does not satisfy that requirement. Problem 7 - symfony/stopwatch is locked to version v8.0.8 and an update of this package was not requested. - symfony/stopwatch v8.0.8 requires php >=8.4 -> your php version (8.3.6) does not satisfy that requirement. Problem 8 - friendsofphp/php-cs-fixer is locked to version v3.95.1 and an update of this package was not requested. - friendsofphp/php-cs-fixer v3.95.1 requires sebastian/diff ^4.0.6 || ^5.1.1 || ^6.0.2 || ^7.0 || ^8.0 -> satisfiable by sebastian/diff[8.1.0]. - sebastian/diff 8.1.0 requires php >=8.4 -> your php version (8.3.6) does not satisfy that requirement.