Nostalrius Begins - Quality wow vanilla realm (1.12)

I got my succubus but i have a problem.I can't teach her anything,her name is "unknown", i can't dismiss her by right click dismiss command,she does not do stay command or anything.I don't know how to fix it please help.

Now my voidwalker also got the same problems..Only imp working right now.

Hello Maleficus,

There is an issue affecting newly acquired Hunter and Warlocks pets causing them to be displayed as "Unknown" and unable to be controlled. We are currently working to resolve this as soon as possible. Thank you for your patience and sorry for the inconvenience.

Best regards,
Syrah.