Mission does not work

[xeovy]

the search, remove a cancer (title translated from Spanish, not English if written well).
It does not work.
Upon entering the mission, it gives you 7 options to select (which is very rare).
You choose one and sends you to a battlefield.
in the field a small army.
same as when you make a camp to plunder.
There is no fortress to attack, or mission.
You can not complete.
It is a mission of men.