Extension file is broken

Sascha Egerer reported an issue

Hi, if i download the extension it is broken. It only contains files and folders of the root level. The folders are empty but should contain classes and so on.

Reported URL:https://extensions.typo3.org/extension/dkd_cmis_service/

User Agent:Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.146 Safari/537.36