Harrell was sanctioned for directing inappropriate language towards a fan.
All-Stars Jokic and Vucevic, Ayton and Bogdanovic will coach top international prospects at the camp, which will take place over All-Star Weekend.
The Denver Nuggets snapped a three-game skid with a 103-87 win over the Miami Heat.
Russell Westbrook set an NBA record with his 10th straight triple-double, Paul George scored 47 points, and the Thunder beat the Blazers.
Derrick Rose and Jeff Teague lifted the Minnesota Timberwolves to a 130-120 victory over the Los Angeles Clippers.
Giannis Antetokounmpo scored 29 points and had 17 rebounds, and the Milwaukee Bucks outlasted the pesky Chicago Bulls 112-99.
James Harden scored 31 points for his 30th straight 30-point game, leading the Houston Rockets to a 120-104 victory over the Dallas Mavericks.
Kawhi Leonard banked home the tie-breaking basket with 4.2 seconds remaining and the Toronto Raptors edged the Brooklyn Nets 127-125.
Collin Sexton scored 20 points and the Cleveland Cavaliers held off a late rally and sent the New York Knicks to their franchise-record 17th straight loss.
The Detroit Pistons extended their winning streak to four with a 121-112 victory over the Washington Wizards.