Error Messages GUI SMB

Now that I have installed OMV 4 without an error message, I keep getting error messages on the GUI, for example when activating smb/cifs.
the property "null passwords" does not exist in the model conf.service.smb
How can I fix it

Quote from ryecoaaron

Clear your browser cache - problem #1 - https://forum.openmediavault.o…tions-to-common-problems/

many thanks, that was the solution to all the error messages