In place of big reward to Mr. Fisher and Boss fires him. Why?

Question

Mr. Fisher is a night watchman in a large company.
On a certain morning when Mr. Fisher wants to go home, his boss tells him:
'I will go for a businesstrip to Norway. Tomorrow I will depart from Heathrow airport.'
Mr. Fisher however advises him to take a boat.
'Why should I?' asked the president.
'This night I dreamed that the plane to Norway crashes, just before it will land,' is the response.
The president smiles first, but since he is pretty superstitious he decides to take the boat.
When he arrives in Norway, he is told that the plane which he should have taken had crashed.
When the president returns from the trip,
He gives a big reward to Mr. Fisher and immediately fires him.
Why?

Answer 1

Because he was sleeping on his duty, he was a night watch men and was sleeping on his duty time to dream

Answer 2

Reward for saving his life... fired him because he was not honest to his job. A night watchman can't sleep during duty hours... :-)

Answer 3

Mr.Fisher warned the President which saved his Life...so rewarded.
Mr.Fisher Dreamt that night means he was sleeping during his Duty hours.....so Fired