Hello there, Thank you very much for reaching out to us. I'm sorry to hear that you are having trouble completing this quest. We have received reports of this issue and are investigating the underlying issue further. For any updates on this issue, we recommend viewing our Patch Notes as they become available, posted on the [url=https://www.bungie.net/7/en/News]News page[/url]. In the meantime, if you've started the quest on an alternate character, you may need to complete the mission on that other character to progress on your main character.