phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'dacf9d7cf880c6db40c15e1f8b2920f3' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('dacf9d7cf880c6db40c15e1f8b2920f3', -1, 1714198171, 1714198171, '12769650', -7, 0, 0)

Line : 187
File : sessions.php