Please explain your use of the word tag, as I'm not quite following.
From what it sounds like it's being used in place of queue?
Edit: Now that there are pictures I see english isn't your first language.

I don't know what to tell you other than to keep trying. If you're barred from entry for some reason the game will outright tell you and the reason why. Usually the 30m lockouts or ilvl restriction or whatnot.