Speaking to La Gazzetta dello Sport, Sabatini was blunt about the internal crisis, while taking care to defend sporting director Frédéric Massara, who has been caught in the crossfire.
"He is the sporting director and must be treated with respect.
"Gasperini is an excellent coach, but on the communication side he has done terrible things. He has attacked the sporting director in an inconceivable way and managed the group in a personal manner, rejecting players with both choices and words — he has certainly not been a friend to the Roma organisation."
On the question of whether Ranieri and Gasperini can continue working together: "They will not.
"When the balance is broken in such a thunderous way it becomes irreversible. It is a question of respect that has been broken by both of them. I think Ranieri cannot accept this kind of coexistence.
"Something will happen — either Claudio makes a decision that concerns him, like leaving, or the Friedkin family will make one concerning one or the other."
Sabatini also suggested that Massara, while blameless in his conduct, risked emerging damaged from the affair.
"Ranieri was exasperated by the coach's outbursts. He probably felt compelled to make some clarifications — perhaps he could have waited a little longer, but one can understand why he did not."