phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO forum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c96b60c2564094947d991951f0016b8c', -1, 1717083224, 1717083224, '12bc4042', -4, 0, 0)

Line : 187
File : sessions.php