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Warning: require(/virtualoffice/vendor/yiisoft/yii2/Yii.php): failed to open stream: No such file or directory in /index.php on line 33

Fatal error: require(): Failed opening required '/virtualoffice/vendor/yiisoft/yii2/Yii.php' (include_path='.:/:/usr/local/php72/lib/pear') in /index.php on line 33