phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ad5715f63e6bc104e327adf86ee72c2d' 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 ('ad5715f63e6bc104e327adf86ee72c2d', -1, 1714007722, 1714007722, '1275ba5c', -1, 0, 0)

Line : 187
File : sessions.php