Fatal error: Uncaught Error: Interface 'Composer\Plugin\PluginInterface' not found in /home/nordenblock/public_html/styrocoat/vendor/typo3/class-alias-loader/src/Plugin.php:22 Stack trace: #0 {main} thrown in /home/nordenblock/public_html/styrocoat/vendor/typo3/class-alias-loader/src/Plugin.php on line 22