Sg300 - Private Vlan Host setup

[piechk]

Hello,

I'm trying to setup interface as Private Vlan - Host but every time I'm trying to apply this setting I get error like below

Private Vlan settings below

Any ideas what might cause the issue?

[marce1000]

 - Try to start from default port-mode first , for that compare setting of unused port (e.g.)

 M.