Group 1 - The company "Maoyan Performance" issued an apology regarding the ticketing issue for Jay Chou's 2025 Carnival World Tour concert in Jinan, stating that staff mistakenly released returned tickets during a simulated high-traffic test [1][2] - The company confirmed that the affected orders have been automatically refunded, and it will compensate users with a 200 yuan no-restriction performance voucher, which will be credited to accounts on July 2 [2] - This incident is not the first time "Maoyan Performance" has faced ticketing errors due to human mistakes, with a previous incident involving Jolin Tsai's concert in April 2024, where tickets were incorrectly categorized, leading to inventory shortages [2] Group 2 - In October 2023, multiple users reported ticket cancellations for Zhang Yixing's concert, prompting "Maoyan Performance" to issue an apology due to inventory counting errors during a holiday period, resulting in overselling tickets [3] - The company emphasized its commitment to resolving issues and ensuring that fans can attend the concerts as scheduled [3]