For whole today, I have been in trouble wih fails of a demo system while constructing the system.

Approaching a delivery date, a system doesn't work, with unknown cause.

Compared to this fear, "Haunted house" or "Losing love" or "cult religious group who comes to sell the fort saying" It is the resentment of the dead father who has been filthy " make me laugh the my nose.

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The fear of a system that does not move is often caused by "not system development itself".

Hardware specs, operating system bug, device failure, and various causes are considered, the identification is terribly difficult.

And if it is such a cause, I can not do anything with my own ability.

"Regardless of the reason, it is the system developer who is taken responsibility of "the system which does not work"

System development is such an unreasonable work in the world.

(To be continued)