phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9856e1de2350e203ffa88481e64e663b' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('9856e1de2350e203ffa88481e64e663b', -1, 1714785704, 1714785704, '12dfc4d3', -6, 0, 0)

Line : 187
File : sessions.php