I did a run of the weekly nightfall and noticed that i had access to the node so i did 2 of the 4 remaining gms i had to gild the seal. We loaded into one of the 2 remaining ones but one of my teammates had the wrong resists so we orbited, while we were orbited I claimed the triumph for completing the 2 previous gms. This resulted in me losing access to the node, meaning i could not do the last 2 gms I needed for the gild without waiting for it to come around or finding someone on lfg. Luckily one of the people i was playing with still had access to the nodes with the 2 i was missing. We just finished one of them and are about to do the last one, but this is still an issue that should be resolved. It likely stems from the node only staying there if you have less than 6 gms completed in a season but due to the increase to 9 due to episodes it didnt get properly set up, it is worth noting that it only deactivated on claiming the triumph otherwise i should have not been able to do the last 2 i did.