Tuesday night at a private team meal, Serbian Milojevic became ill and was sent to a Salt Lake City, Utah, hospital.
The Warriors announced externally that Milojevic died late on Wednesday morning “despite life-saving efforts.”
The Belgrade-born assistant coach, according to head coach Steve Kerr, “brought joy and light to every single day with his passion”.
Noting that Milojevic was “one of the most positive and beautiful human beings” he had ever met, Kerr called the news a “shocking and tragic blow”.
He went on, “We are in deep sorrow for his wife, Natasa, and their two children, Masa and Nikola.
“Their loss is unfathomable.”
The Warriors continued by saying they are “absolutely devastated” by Milojevic’s unexpected death in a post on X, the former Twitter.
NBA commissioner Ada The game against the Dallas Mavericks on Friday has also been rescheduled.
On Wednesday, there were nine NBA games, and Milojevic was honored with tributes and moments of quiet.
On Saturday, the Warriors and Dallas Mavericks are slated to play at 03:00 GMT.