Had the same issue where I got the key and insert and poof, nothing. So are they going to give us the key back when its fixed or just give us the weapon? I am honestly curious as to what the fix is going to be for this.
September 2020 and I lost my key after inserting too. Now I cant join groups doing raids or master nightfall because they REQUIRE you to have this gun. Steam is already horrible to even get a group because it is complex to LFG. You fkd me, I AM NOT BUYING YOUR SHTTY EXPANSION NOW. Good bye for good Bungie, cant fix a 2 year old glitch, fk you.