phpBB : Critical Error

Error creating new session

DEBUG MODE

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

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('4b5ac7eec3632b6f76b359f81180abaf', -1, 1714681157, 1714681157, '038a697c', 19, 0)

Line : 158
File : sessions.php