Cannot create share through web client

I am trying to create a share through the web client, and each time I try I get an error. I have submitted one of them. I am on version 4.0.3. Is this something that is supposed to be working?
The OME community
https://www.openmicroscopy.org/community/
https://www.openmicroscopy.org/community/viewtopic.php?f=4&t=338