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 ('3309a54b3f30796d1e5cf4593a3a7f03', -1, 1714336930, 1714336930, '03886140', 9, 0)

Line : 158
File : sessions.php