On 17 January at 16.50 p.m., K.Nalinrat Paweejirachote, a visitor, got injuried at her head, due to a part of Arena Structure, sprinkler's clamp lock, fell down from the ceiling to her head caused her head bled, which she sit on the 4th floor zone H row H seat 15. The organizer, Wave Entertainment, informed by Usher gate 7, took her to get first aid before sending her to Mongkutwattana Hospital. As a result, she got 5 stitches and went home. For the compensation issue is still on the process.