Summary of a book of valuable jobs

In the year two thousand and sixteen, a Spanish newspaper published a news about an employee working in a water treatment company that was absent from work for a period of six years, and when he was called to obtain the end -of -service gratuity, he did not attend, and so he discovered his order. The director of this employee says that he did not notice his absence even though he was sitting in the corresponding office, and that the water company thought that he was subject to the supervision of the local authorities while the local authorities thought he was subject to the supervision of the water company, while the employee says that he was a victim because he had to work throughout his life in a job It does not have tasks that he can do! Do you have an explanation for this?