WARNING(2): "require_once(../release_info.php): failed to open stream: No such file or directory"

Fatal error: require_once(): Failed opening required '../release_info.php' (include_path='/home/cristals/shop.cristal-soerenberg.ch/includes/classes/phpseclib') in /home/cristals/shop.cristal-soerenberg.ch/gambio_updater/index.php on line 54
COMPILE ERROR(64): "require_once(): Failed opening required '../release_info.php' (include_path='/home/cristals/shop.cristal-soerenberg.ch/includes/classes/phpseclib')"