In short: B.A.P got emotional what they admitted could be their last concert as a group, which was held in Seoul on July 22. In the same week, it was revealed that leader Bang Yongguk's contract will expire within two months.
In detail: B.A.P held their B.A.P 2018 LIVE [LIMITED] IN SEOUL concert on July 21 and 22, and the sextet shed tears during the second day of their concert, sharing that it "could be the last concert that we do together".
They went on to explain that the members' respective contracts expire at different times, and that this is the last concert they have scheduled at the moment.
More light on the situation was shed later in the week, with Korean news outlets reporting that leader Bang Yongguk's contract will be the first to expire in less than two months. Their label, TS Entertainment, confirmed that discussions are still underway and there has been no decision reached yet.