Unfortunately, you are already engaged in a case
From Fallen London Wiki
| A player-created Guide is available for this content: Ambition: Nemesis (Guide) |
| A player-created Guide is available for this content: Engaged in a Case (Guide) |
| Spoiler warning! This page contains details about Fallen London Actions. |
From: Ambition: Nemesis – Scathewick's Accounts
Action Cost: 0
Game Instructions: Resolve your current Case to begin a new investigation into Gloriana or Cumberbold.
Unlocked with 
Engaged in a Case:
Locked with both 
A Clue: The Purveyor's Confession and A Clue: Cumberbold's Stamp ("You still have at least one clue left to uncover." when locked)
