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 ('4c753f91cae89e8405747a5eef7aed89', -1, 1714252570, 1714252570, '12e095f2', 7, 0)

Line : 158
File : sessions.php