Prefetching packages: Failed to download from dist · Issue #484 · symfony/flex · GitHub
TwitterOAuthでCa-Bundleが見つからないエラー #PHP - Qiita
DoctrineBridge] DoctrineLoader relies on AutoMappingTrait · Issue #41796 · symfony/symfony · GitHub
Prefetching packages: Failed to download from dist · Issue #484 · symfony/flex · GitHub
This may be because of a technical error that we're working to get fixed. Try reloading this page. · Issue #422 · facebookarchive/Facebook-For-OpenCart · GitHub
5060040253731
Failed to Open Stream /vendor/phpoffice/phppresenation/vendor/composer/../symfony/polyfill-mbstring/bootstrap.php - Stack Overflow
Prefetching packages: Failed to download from dist · Issue #484 · symfony/flex · GitHub
Update to 5.0 from 4.4 · Issue #34473 · symfony/symfony · GitHub