Saint-Etienne have placed the blame on Arsenal for the deadline day frustration on the lack of a loan deal for William Saliba, with the Ligue 1 club saying they had a loan deal prepared "long before the transfer window closed".
A statement on the Ligue 1 club's official website read: "Long before the transfer window closed, AS Saint-Etienne had reached an agreement with William Saliba and accepted Arsenal's offer for a one-season loan."
"Unfortunately, all the administrative conditions could not be met in time, in England, for the completion of the deal."
Saint-Etienne were eager to bring him back on loan, with the young defender also being "particularly determined to return to a club where he has flourished".
Arsenal had a rollercoaster of a deadline day, with them forcing a very late move for Atletico Madrid's Thomas Partey, who has been a long-term target of theirs.
Focusing on the Partey deal left Arsenal with a lack of focus on other transfers, and eventually, the time ran out for the William Saliba deal to take place.