Im having the same problem multiple completions a week data pads are unscannable have completed on master this is my only triumph left but cannot complete because the data pads won't work i go to each one in sequence and the only one i can ever activate is the one after drop down in the red corridor the pad disappears but the door never opens up

[quote]Is there a bug with the chests in the presage mission? Each week I do the quest like 3 times yet I cant scan the data pads for the chest or the scannables.[/quote] You can scan stuff after completing it once. Your 2nd run with the same character is when you find all the hidden stuff.