Fatal error: Uncaught Error: Interface 'Composer\Plugin\PluginInterface' not found in /home/caistbuw/public_html/vendor/ocramius/package-versions/src/PackageVersions/ComposerV2Plugin.php:15 Stack trace: #0 {main} thrown in /home/caistbuw/public_html/vendor/ocramius/package-versions/src/PackageVersions/ComposerV2Plugin.php on line 15