Start Game Greyed Out - Unable to join game, only available to party leader

im sure it was the update sir as all 7 people and me experienced this 2-3 days ago RIGHT AFTER THE UPDATE. SIGH. LIKE…WE WERE ALL PLAYING ON THE SAME INTERNET PERF UNTIL THE UP[DATE THEN BAM NO DIABLO 3 FOR 3 DAYS. HMMMMMMMM