A spokesperson for Hamilton said all affected patrons will be given the opportunity to attend another session of the show.
A photo posted on Facebook on May 1 showed throngs of patrons gathered outside the entrance of the Sands Theatre in Marina Bay Sands, where the show is held. The organisers declined to say how many ticketholders were affected, what illness the troupe is indisposed with, or why understudies were not available.
In the e-mail to affected patrons seen by ST, Sistic said their May 1 tickets could be exchanged for performances on other nights, as long as the new seats chosen were within the same price category.Created by American songwriter-actor Lin-Manuel Miranda, it covers the life of American founding father Alexander Hamilton and his involvement in the American Revolution up to his death in 1804.