To dream of a scaffold, denotes that you will undergo keen disappointment in failing to secure the object of your affection.
To ascend one, you will be misunderstood and censured by your friends for some action, which you never committed.
To decend one, you will be guilty of wrong doing, and you will suffer the penalty.
To fall from one, you will be unexpectedly surprised while engaged in deceiving and working injury to others.