From the web page http: // ******: 8069 / web / database / backup. It is impossible to make a backup with zip inclued filestore, only the dump works. Here is the message: Database backup error: Can not close the file while there is an open handle on it. Close the writing handle before closing the zip.

capture: https://www.dropbox.com/s/huvssf208qmsb9q/Capture d%27%C3%A9cran 2019-06-06 15.56.55.png?dl=0