Hey there, This is a known issue. Bungie is aware and actively investigating. [quote]• Allegiance Quest: We are investigating an issue where players cannot progress past Spider's Black Market in the Allegiance quest.[/quote] https://www.bungie.net/en/Forum/Post/252327934/0/0/1 Stay tuned to official Bungie sources for updates on the matter. Sorry to hear any inconvenience.