This means you don't have the paperdoll gump graphics for the item you are trying to make wearable. Various causes. But, most likely in your case. It is your version. The art for the item you are trying to add is there. And you manually made it wearable and the data for it being wearable is there. Just not the gump graphics or the animations. To get an invisible item off a staff member. You can use an admin tool such as stafforb or staffcloak, perhaps a tile that sends all items to bank, something of this nature that temporarily turns you into a player. Spawn a monster that will kill you. Turn into a player and wait. You die. Click orb turn back into a staff member and the item will be in your pack. Then do not place it back on your character, Until you have the graphics or are patched high enough to see the graphics. Also make sure this is a legitimate wearable item via a google search. Not all weapon images or clothing in the art.mul are actually wearables. However almost all are.