Warning: require_once(/var/www/typo3_src-6.2.3/typo3/sysext/core/Resources/PHP/TYPO3.Flow/Classes/TYPO3/Flow/Package/PackageManager.php): failed to open stream: No such file or directory in /var/www/typo3_src-6.2.6/typo3/sysext/core/Classes/Core/ClassLoader.php on line 182

Fatal error: require_once(): Failed opening required '/var/www/typo3_src-6.2.3/typo3/sysext/core/Resources/PHP/TYPO3.Flow/Classes/TYPO3/Flow/Package/PackageManager.php' (include_path='/home/max/docs/typo3/contrib/pear/:.:/usr/share/php:/usr/share/pear') in /var/www/typo3_src-6.2.6/typo3/sysext/core/Classes/Core/ClassLoader.php on line 182