Warning: require(/var/aegir/platforms/drupal-8/vendor/composer/../myclabs/deep-copy/src/DeepCopy/deep_copy.php): failed to open stream: No such file or directory in /var/aegir/platforms/drupal-8/vendor/composer/autoload_real.php on line 66

Fatal error: require(): Failed opening required '/var/aegir/platforms/drupal-8/vendor/composer/../myclabs/deep-copy/src/DeepCopy/deep_copy.php' (include_path='.:/usr/share/php:/usr/share/pear') in /var/aegir/platforms/drupal-8/vendor/composer/autoload_real.php on line 66