Burning Crusade I cant change faction

[Flamaster]

When i tried to change faction of my 70 lvl undead rogue, i faced with error
https://imgur.com/zFRPZdV
What i need to do?

[Repost]

If you close your client without logging out properly then you have to wait for the server to drop your session, it usually takes about a minute for me but I've heard of up to 5.