Symfony 4部署到GAE。 一切都很好，直到我添加
composer require validator
当我在部署时遇到此错误时：
Step #1: - Installing symfony/validator (v4.0.9): Loading from cache
Step #1: Generating optimized autoload files
Step #1: ocramius/package-versions: Generating version class...
Step #1: ocramius/package-versions: ...done generating version class
Step #1: Executing script cache:clear [KO]
Step #1: [KO]
Step #1: Script cache:clear returned with error code 1
Step #1: !!
Step #1: !! In FrameworkExtension.php line 916:
Step #1: !!
Step #1: !! /app/translations defined in translator.paths does not exist or is not a di
Step #1: !! rectory
Step #1: !!
Step #1: !!
Step #1: !!
Step #1: Script @auto-scripts was called via post-install-cmd
Step #1: The command '/bin/sh -c /build-scripts/composer.sh' returned a non-zero code: 1
Finished Step #1
关于我需要的设置的任何想法？花了两天时间工作和搜索，什么都没有。 TIA