Merge pull request #830 from Citadel-Station-13/upstream-merge-27042

[MIRROR] Fixes this annoying ass thing in the bandb I should have fixed before.

code/modules/admin/DB_ban/functions.dm

@@ -79,8 +79,8 @@
 		validckey = 1
 	if(!validckey)
 		if(!banned_mob || (banned_mob && !IsGuestKey(banned_mob.key)))
-			message_admins("<font color='red'>[key_name_admin(usr)] attempted to ban [ckey], but [ckey] has not been seen yet. Please only ban actual players.</font>",1)
-			return
+			if(alert(usr, "[ckey] has not been seen before, are you sure you want to create a ban for them?", "Unknown ckey", "Yes", "No", "Cancel") != "Yes")
+				return
 
 	var/a_ckey
 	var/a_computerid