Bug with account restriction on Classic

[Punyelf-draenor (Punyelf)]

They have added account restrictions in certain circumstances

Account restricted

Hey all, and sorry for the confusion. We currently have a restriction on new accounts playing Season of Discovery, similar to the purchase of WoW tokens. This means that if this is your first time adding game time on your WoW account (and if the game time was added recently), you will not be able to trade with other players, use the auction house or in-game mails. Once this period of 30 days has ended, the restrictions will be lifted automatically. If you’re still seeing restrictions after …

Hardcore and Classic have the same restrictions as SoD