Fatal error: Uncaught Error: Interface 'Composer\Plugin\Capability\CommandProvider' not found in /data/htmlwww/common/jpgraph/vendor/ergebnis/composer-normalize/src/NormalizePlugin.php:24 Stack trace: #0 {main} thrown in /data/htmlwww/common/jpgraph/vendor/ergebnis/composer-normalize/src/NormalizePlugin.php on line 24