Failure

Our infiltration of the … political leadership was not as complete as we had been led to believe. After initially failing to infiltrate their major nations, we attempted a coup within a minor power. Yet even there, the people didn't want us. We have extracted all our surviving operatives from …. The inhabitants are sure to be on alert for years to come.

The command below will trigger the "Failure" event in Stellaris:

When this event fires, you can choose between the following option:

• Curses!
  • We will be unable to launch any new … missions for 5 years.