On some occasions my spies appear to be unable to sabotage buildings in a city. The option to sabotage a building just does not exist! Why?

A poster called Trojan Sheep hinted in the readme file for his SuperSpy mod (http://forums.civfanatics.com/showthread.php?t=259221) that this is a bug and related to the monument building...

Anyone confirm?

Maybe there is a problem with monuments. But make sure you ahve enough spy points to perform sabotage; if you don't have enough points, the option won't appear. If you do, I'm not sure why you can't do the mission.

Best wishes,

Breunor