On October 9, JYP Entertainment revealed through an official statement, “Jackson will not attend [GOT7’s] fan signing on October 9, 2018 (Tuesday) due to health reasons.”
JYP Entertainment continues, “We decided on his absence in order to prioritize the artist’s health. We apologize and ask for the understanding of fans who were anticipating this schedule.”
“If there are additional schedule changes, we will notify fans through future announcements. We will do our best for his recovery so that he can greet fans in good health. Thank you,” the statement concludes.
Source: @soompi, fans.jype via soompi