Fatal error: Uncaught Error: Class "DI\Definition\ArrayDefinition" not found in /usr/home/mw2p5ujyzt/www/htdocs/mode2_piwik/vendor/php-di/php-di/src/DI/Definition/ArrayDefinitionExtension.php:13 Stack trace: #0 {main} thrown in /usr/home/mw2p5ujyzt/www/htdocs/mode2_piwik/vendor/php-di/php-di/src/DI/Definition/ArrayDefinitionExtension.php on line 13