Fatal error: Uncaught Error: Interface 'Ergebnis\Composer\Normalize\Exception\Exception' not found in /data/htmlwww/common/jpgraph/vendor/ergebnis/composer-normalize/src/Exception/ShouldNotHappen.php:16 Stack trace: #0 {main} thrown in /data/htmlwww/common/jpgraph/vendor/ergebnis/composer-normalize/src/Exception/ShouldNotHappen.php on line 16