If i'm understanding you correctly, you're trying to post something on the AH that you have marked as protected?
If so, you can't do that. That's not a bug at all. If you mark something as protected you can not refine it, you can not post it, you can not mail it, etc etc. Protecting it is to prevent you from doing something silly that removes it from your possession. Including, accidentally posting it on the AH.
If i'm understanding you correctly, you're trying to post something on the AH that you have marked as protected?
If so, you can't do that. That's not a bug at all. If you mark something as protected you can not refine it, you can not post it, you can not mail it, etc etc. Protecting it is to prevent you from doing something silly that removes it from your possession. Including, accidentally posting it on the AH.
If you want to post it, remove the protection.
You can in fact refine protected items. I have done so many times with enchants that are protected. Protecting the items just prevents you from mailing(even to toons on same account), or selling the item that is protected.
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If so, you can't do that. That's not a bug at all. If you mark something as protected you can not refine it, you can not post it, you can not mail it, etc etc. Protecting it is to prevent you from doing something silly that removes it from your possession. Including, accidentally posting it on the AH.
If you want to post it, remove the protection.