Fatal error: Uncaught Error: Interface 'PhpCsFixer\Cache\SignatureInterface' not found in /data/htmlwww/common/jpgraph/vendor/friendsofphp/php-cs-fixer/src/Cache/Signature.php:20 Stack trace: #0 {main} thrown in /data/htmlwww/common/jpgraph/vendor/friendsofphp/php-cs-fixer/src/Cache/Signature.php on line 20