Your lock file does not contain a compatible set of packages. Please run composer update. Problem 1 - symfony/config is locked to version v6.4.0 and an update of this package was not requested. - symfony/config v6.4.0 requires symfony/polyfill-ctype ~1.8 -> could not be found in any version, there may be a typo in the package name. Problem 2 - symfony/filesystem is locked to version v6.4.0 and an update of this package was not requested. - symfony/filesystem v6.4.0 requires symfony/polyfill-ctype ~1.8 -> could not be found in any version, there may be a typo in the package name. Problem 3 - symfony/string is locked to version v6.4.0 and an update of this package was not requested. - symfony/string v6.4.0 requires symfony/polyfill-ctype ~1.8 -> could not be found in any version, there may be a typo in the package name. Problem 4 - symfony/yaml is locked to version v6.4.0 and an update of this package was not requested. - symfony/yaml v6.4.0 requires symfony/polyfill-ctype ^1.8 -> could not be found in any version, there may be a typo in the package name. Problem 5 - symfony/serializer is locked to version v6.4.1 and an update of this package was not requested. - symfony/serializer v6.4.1 requires symfony/polyfill-ctype ~1.8 -> could not be found in any version, there may be a typo in the package name. Problem 6 - symfony/config v6.4.0 requires symfony/polyfill-ctype ~1.8 -> could not be found in any version, there may be a typo in the package name. - icanhazstring/composer-unused 0.8.7 requires symfony/config ^4.4 || ^5.4 || ^6.0 -> satisfiable by symfony/config[v6.4.0]. - icanhazstring/composer-unused is locked to version 0.8.7 and an update of this package was not requested. Potential causes: - A typo in the package name - The package is not available in a stable-enough version according to your minimum-stability setting see <https://getcomposer.org/doc/04-schema.md#minimum-stability> for more details. - It's a private package and you forgot to add a custom repository to find it Read <https://getcomposer.org/doc/articles/troubleshooting.md> for further common problems.