Icardi has fallen out with Inter Milan fans after comments made in his new book.
Sacchi told Rai Radio 1: "I have the impression that everything is exaggerated. The club has made a mistake, because the communication managers should have checked by reading the book before it came out.
"On other hand Icardi is still with the fans, in reality only the curva is unhappy because the others applauded. Everything always starts from the club, with its history and its style.
"And everything is normal when there is some type of direction."
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