as described in your issue created at the bugtracker of the documentation https://github.com/owncloud/documentation/issues/2560 (which you should close btw):
Please provide additional information about your environment. Currently even the basic informations are missing (which are btw. asked in the issue template shown when creating a new thread).
I'm closing here for now. Please create a new thread once you have collected all information. Without that information its not possible to help.